236

Number
$236$ (two hundred and thirty-six) is:
 * $2^2 \times 59$


 * The $35$th nontotient:
 * $\nexists m \in \Z_{>0}: \phi \left({m}\right) = 236$
 * where $\phi \left({m}\right)$ denotes the Euler $\phi$ function


 * The $38$th happy number after $1, 7, 10, 13, 19, 23, \ldots, 130, 133, 139, 167, 176, 188, 190, 192, 193, 203, 208, 219, 226, 230$:
 * $236 \to 2^2 + 3^2 + 6^2 = 4 + 9 + 36 = 49 \to 4^2 + 9^2 = 16 + 81 = 97 \to 9^2 + 7^2 = 81 + 49 = 130 \to 1^2 + 3^2 + 0^2 = 1 + 9 + 0 = 10 \to 1^2 + 0^2 = 1$