274

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Number

$274$ (two hundred and seventy-four) is:

$2 \times 137$


The $11$th Smith number after $4$, $22$, $27$, $58$, $85$, $94$, $121$, $166$, $202$, $265$:
$2 + 7 + 4 = 2 + 1 + 3 + 7 = 13$


The $27$th noncototient after $10$, $26$, $34$, $50$, $\ldots$, $244$, $260$, $266$, $268$:
$\nexists m \in \Z_{>0}: m - \map \phi m = 274$
where $\map \phi m$ denotes the Euler $\phi$ function


The $43$rd nontotient:
$\nexists m \in \Z_{>0}: \map \phi m = 274$
where $\map \phi m$ denotes the Euler $\phi$ function


Also see