524,288

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Number

$524 \, 288$ (five hundred and twenty-four thousand, two hundred and eighty-eight) is:

$2^{19}$

The $19$th power of $2$ after $(1)$, $2$, $4$, $8$, $16$, $\ldots$, $16 \, 384$, $32 \, 768$, $65 \, 536$, $131 \, 072$, $262 \, 144$:

$524 \, 288 = 2^{19}$

The $20$th almost perfect number after $1$, $2$, $4$, $8$, $16$, $\ldots$, $16 \, 384$, $32 \, 768$, $65 \, 536$, $131 \, 072$, $262 \, 144$:

$\map {\sigma_1} {524 \, 288} = 1 \, 048 \, 575 = 2 \times 524 \, 288 - 1$

Also see

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