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57066512 = 2416192203
BaseRepresentation
bin1101100110110…
…0010000010000
310222101021112112
43121230100100
5104102112022
65355044452
71262025446
oct331542020
9128337475
1057066512
112a237a08
1217140728
13ba90989
147816b96
1550238e2
hex366c410

57066512 has 20 divisors (see below), whose sum is σ = 110684880. Its totient is φ = 28502688.

The previous prime is 57066497. The next prime is 57066523. The reversal of 57066512 is 21566075.

It is a happy number.

It is a super-2 number, since 2×570665122 = 6513173583692288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24803 + ... + 27005.

It is an arithmetic number, because the mean of its divisors is an integer number (5534244).

Almost surely, 257066512 is an apocalyptic number.

It is an amenable number.

57066512 is a deficient number, since it is larger than the sum of its proper divisors (53618368).

57066512 is a wasteful number, since it uses less digits than its factorization.

57066512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 3824 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57066512 is about 7554.2380158425. The cubic root of 57066512 is about 384.9997458817. Note that the first 3 decimals are identical.

The spelling of 57066512 in words is "fifty-seven million, sixty-six thousand, five hundred twelve".

Divisors: 1 2 4 8 16 1619 2203 3238 4406 6476 8812 12952 17624 25904 35248 3566657 7133314 14266628 28533256 57066512