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57154864 = 2413274783
BaseRepresentation
bin1101101000000…
…1110100110000
310222112202201211
43122001310300
5104112423424
65401005504
71262544154
oct332016460
9128482654
1057154864
112a298328
1217183894
13bac1c60
14783b064
15503eb94
hex3681d30

57154864 has 20 divisors (see below), whose sum is σ = 119256256. Its totient is φ = 26379072.

The previous prime is 57154843. The next prime is 57154891. The reversal of 57154864 is 46845175.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137184 + ... + 137599.

Almost surely, 257154864 is an apocalyptic number.

It is an amenable number.

57154864 is an abundant number, since it is smaller than the sum of its proper divisors (62101392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57154864 is a wasteful number, since it uses less digits than its factorization.

57154864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274804 (or 274798 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 57154864 is about 7560.0835974214. The cubic root of 57154864 is about 385.1983326234.

The spelling of 57154864 in words is "fifty-seven million, one hundred fifty-four thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 274783 549566 1099132 2198264 3572179 4396528 7144358 14288716 28577432 57154864