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Disponibile in 20 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-20" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">20 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar badge-Q70894304 mw-list-item" title=""><a href="https://ar.wikipedia.org/wiki/478_(%D8%B9%D8%AF%D8%AF)" title="478 (عدد) - arabo" lang="ar" hreflang="ar" data-title="478 (عدد)" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%A4%D9%A7%D9%A8_(%DA%98%D9%85%D8%A7%D8%B1%DB%95)" title="٤٧٨ (ژمارە) - curdo centrale" lang="ckb" hreflang="ckb" data-title="٤٧٨ (ژمارە)" data-language-autonym="کوردی" data-language-local-name="curdo centrale" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/478_(%C4%8D%C3%ADslo)" title="478 (číslo) - ceco" lang="cs" hreflang="cs" data-title="478 (číslo)" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/478_(n%C3%B9mer)" title="478 (nùmer) - Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="478 (nùmer)" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-en badge-Q70894304 mw-list-item" title=""><a href="https://en.wikipedia.org/wiki/478_(number)" title="478 (number) - inglese" lang="en" hreflang="en" data-title="478 (number)" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Laurehun_eta_hirurogeita_hemezortzi" title="Laurehun eta hirurogeita hemezortzi - basco" lang="eu" hreflang="eu" data-title="Laurehun eta hirurogeita hemezortzi" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/478_(nonm)" title="478 (nonm) - creolo haitiano" lang="ht" hreflang="ht" data-title="478 (nonm)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="creolo haitiano" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/478_(sz%C3%A1m)" title="478 (szám) - ungherese" lang="hu" hreflang="hu" data-title="478 (szám)" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/478" title="478 - giapponese" lang="ja" hreflang="ja" data-title="478" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/478" title="478 - coreano" lang="ko" hreflang="ko" data-title="478" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mni mw-list-item"><a href="https://mni.wikipedia.org/wiki/%EA%AF%B4%EA%AF%B7%EA%AF%B8" title="꯴꯷꯸ - manipuri" lang="mni" hreflang="mni" data-title="꯴꯷꯸" data-language-autonym="ꯃꯤꯇꯩ ꯂꯣꯟ" data-language-local-name="manipuri" class="interlanguage-link-target"><span>ꯃꯤꯇꯩ ꯂꯣꯟ</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/478_(nombor)" title="478 (nombor) - malese" lang="ms" hreflang="ms" data-title="478 (nombor)" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%DB%B4%DB%B7%DB%B8_(%D8%B9%D8%AF%D8%AF)" title="۴۷۸ (عدد) - mazandarani" lang="mzn" hreflang="mzn" data-title="۴۷۸ (عدد)" data-language-autonym="مازِرونی" data-language-local-name="mazandarani" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-nso mw-list-item"><a href="https://nso.wikipedia.org/wiki/478_(nomoro)" title="478 (nomoro) - sotho del nord" lang="nso" hreflang="nso" data-title="478 (nomoro)" data-language-autonym="Sesotho sa Leboa" data-language-local-name="sotho del nord" class="interlanguage-link-target"><span>Sesotho sa Leboa</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/478_(tal)" title="478 (tal) - svedese" lang="sv" hreflang="sv" data-title="478 (tal)" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Mia_nne_na_sabini_na_nane" title="Mia nne na sabini na nane - swahili" lang="sw" hreflang="sw" data-title="Mia nne na sabini na nane" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/478_(%D1%81%D0%B0%D0%BD)" title="478 (сан) - tataro" lang="tt" hreflang="tt" data-title="478 (сан)" data-language-autonym="Татарча / tatarça" data-language-local-name="tataro" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/478_(%D8%B9%D8%AF%D8%AF)" title="478 (عدد) - urdu" lang="ur" hreflang="ur" data-title="478 (عدد)" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/478_(son)" title="478 (son) - uzbeco" lang="uz" hreflang="uz" data-title="478 (son)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/478_(s%E1%BB%91)" title="478 (số) - vietnamita" lang="vi" hreflang="vi" data-title="478 (số)" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q857414#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespace"> <div id="p-associated-pages" class="vector-menu 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class="vector-appearance-landmark" aria-label="Aspetto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Da Wikipedia, l'enciclopedia libera.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto"><tbody><tr class="sinottico_testata"><th colspan="2" style="background:#C0C0FF">478</th></tr><tr><th><a href="/wiki/Numero_cardinale" title="Numero cardinale">Cardinale</a></th><td>Quattrocentosettantotto </td></tr><tr><th><a href="/wiki/Numero_ordinale" title="Numero ordinale">Ordinale</a></th><td>Quattrocentosettantottesimo, -a </td></tr><tr><th><a href="/wiki/Fattorizzazione" title="Fattorizzazione">Fattori</a></th><td>2 x 239 </td></tr><tr><th><a href="/wiki/Sistema_di_numerazione_romano" title="Sistema di numerazione romano">Numero romano</a></th><td>CDLXXVIII </td></tr><tr><th><a href="/wiki/Sistema_numerico_binario" title="Sistema numerico binario">Numero binario</a></th><td>111011110 </td></tr><tr><th><a href="/wiki/Sistema_numerico_esadecimale" title="Sistema numerico esadecimale">Numero esadecimale</a></th><td>1DE </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background:#D2D2FF">Valori di funzioni aritmetiche</th></tr><tr><td class="sinottico_testo_centrale" colspan="2">  <table style="width:100%;"> <tbody><tr> <td><a href="/wiki/Funzione_%CF%86_di_Eulero" title="Funzione φ di Eulero">φ(478)</a> = 238 </td> <td><a href="/wiki/Funzione_tau_sui_positivi" title="Funzione tau sui positivi">τ(478)</a> = 4 </td> <td><a href="/wiki/Funzione_sigma" title="Funzione sigma">σ(478)</a> = 720 </td></tr> <tr> <td><a href="/wiki/Funzione_enumerativa_dei_primi" title="Funzione enumerativa dei primi">π(478)</a> = 91 </td> <td><a href="/wiki/Funzione_di_M%C3%B6bius" title="Funzione di Möbius">μ(478)</a> = 1 </td> <td><a href="/wiki/Funzione_di_Mertens" title="Funzione di Mertens"><i>M</i>(478)</a> = -5 </td></tr></tbody></table> </td></tr></tbody></table> <p><b>Quattrocentosettantotto</b> (478) è il <a href="/wiki/Numero_naturale" title="Numero naturale">numero naturale</a> dopo il <a href="/wiki/477_(numero)" title="477 (numero)">477</a> e prima del <a href="/wiki/479_(numero)" title="479 (numero)">479</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Proprietà_matematiche"><span id="Propriet.C3.A0_matematiche"></span>Proprietà matematiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=478_(numero)&veaction=edit&section=1" title="Modifica la sezione Proprietà matematiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=478_(numero)&action=edit&section=1" title="Edit section's source code: Proprietà matematiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>È un <a href="/wiki/Numero_pari" class="mw-redirect" title="Numero pari">numero pari</a>.</li> <li>È un <a href="/wiki/Numero_composto" title="Numero composto">numero composto</a>, coi seguenti <a href="/wiki/Divisore" title="Divisore">divisori</a>: 1, 2, 239. Poiché la somma dei divisori è 242 < 478, è un <a href="/wiki/Numero_difettivo" title="Numero difettivo">numero difettivo</a>.</li> <li>È un <a href="/wiki/Numero_semiprimo" title="Numero semiprimo">numero semiprimo</a>.</li> <li>È un <a href="/wiki/Numero_felice" title="Numero felice">numero felice</a>.</li> <li>È parte della <a href="/wiki/Terna_pitagorica" title="Terna pitagorica">terna pitagorica</a> (478, 57120, 57122).</li> <li>È un <a href="/wiki/Numero_congruente" title="Numero congruente">numero congruente</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Astronomia">Astronomia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=478_(numero)&veaction=edit&section=2" title="Modifica la sezione Astronomia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=478_(numero)&action=edit&section=2" title="Edit section's source code: Astronomia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/478_Tergeste" title="478 Tergeste">478 Tergeste</a> è un <a href="/wiki/Asteroide" title="Asteroide">asteroide</a> della <a href="/wiki/Fascia_principale" title="Fascia principale">fascia principale</a> del <a href="/wiki/Sistema_solare" title="Sistema solare">sistema solare</a>.</li> <li><a href="/wiki/NGC_478" title="NGC 478">NGC 478</a> è una <a href="/wiki/Galassia_spirale" class="mw-redirect" title="Galassia spirale">galassia spirale</a> della <a href="/wiki/Balena_(costellazione)" title="Balena (costellazione)">costellazione della Balena</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Astronautica">Astronautica</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=478_(numero)&veaction=edit&section=3" title="Modifica la sezione Astronautica" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=478_(numero)&action=edit&section=3" title="Edit section's source code: Astronautica"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Cosmos 478 è un <a href="/wiki/Satellite_artificiale" title="Satellite artificiale">satellite artificiale</a> russo.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=478_(numero)&veaction=edit&section=4" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=478_(numero)&action=edit&section=4" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><span class="plainlinks" title="commons:Category:478 (number)"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:478_(number)?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file su <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:478_(number)?uselang=it">478</a></span></b></li></ul> <div class="noprint" style="width:100%; 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