454

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Number

$454$ (four hundred and fifty-four) is:

$2 \times 227$

The $19$th Smith number after $4$, $22$, $27$, $58$, $85$, $94$, $121$, $166$, $202$, $265$, $274$, $319$, $346$, $355$, $378$, $382$, $391$, $438$:

$4 + 5 + 4 = 2 + 2 + 2 + 7 = 13$

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