346

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Number

$346$ (three hundred and forty-six) is:

$2 \times 173$

The $13$th Smith number after $4$, $22$, $27$, $58$, $85$, $94$, $121$, $166$, $202$, $265$, $274$, $319$:

$3 + 4 + 6 = 2 + 1 + 7 + 3 = 13$

The $35$th noncototient after $10$, $26$, $34$, $50$, $\ldots$, $290$, $292$, $298$, $310$, $326$, $340$, $344$:

$\nexists m \in \Z_{>0}: m - \map \phi m = 346$

where $\map \phi m$ denotes the Euler $\phi$ function

Also see

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