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57168535 = 517239563
BaseRepresentation
bin1101101000010…
…1001010010111
310222120110111011
43122011022113
5104113343120
65401153051
71262632054
oct332051227
9128513434
1057168535
112a2a7626
121718b787
13bac8248
14784202b
155043c5a
hex3685297

57168535 has 12 divisors (see below), whose sum is σ = 72876888. Its totient is φ = 43043456.

The previous prime is 57168523. The next prime is 57168571. The reversal of 57168535 is 53586175.

57168535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-57168535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18337 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (6073074).

Almost surely, 257168535 is an apocalyptic number.

57168535 is a deficient number, since it is larger than the sum of its proper divisors (15708353).

57168535 is a wasteful number, since it uses less digits than its factorization.

57168535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39602 (or 39585 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 57168535 is about 7560.9877000297. The cubic root of 57168535 is about 385.2290423258.

The spelling of 57168535 in words is "fifty-seven million, one hundred sixty-eight thousand, five hundred thirty-five".

Divisors: 1 5 17 85 289 1445 39563 197815 672571 3362855 11433707 57168535