292

Previous  ... Next

Number

$292$ (two hundred and ninety-two) is:

$2^2 \times 73$

The $22$nd untouchable number after $2$, $5$, $52$, $88$, $96$, $120$, $124$, $\ldots$, $262$, $268$, $276$, $290$

The $29$th noncototient after $10$, $26$, $34$, $50$, $\ldots$, $244$, $260$, $266$, $268$, $274$, $290$:

$\nexists m \in \Z_{>0}: m - \map \phi m = 292$

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

Also see

• Previous  ... Next: Noncototient
• Previous  ... Next: Untouchable Number