530

Number
$530$ (five hundred and thirty) is:
 * $2 \times 5 \times 53$


 * The $42$nd untouchable number after $2, 5, 52, 88, 96, 120, 124, \ldots, 406, 408, 426, 430, 448, 472, 474, 498, 516, 518, 520$.