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57237916 = 2247304457
BaseRepresentation
bin1101101001011…
…0000110011100
310222200222122211
43122112012130
5104123103131
65402450204
71263341251
oct332260634
9128628584
1057237916
112a34476a
1217203964
13bb209b8
14785d428
1550595b1
hex369619c

57237916 has 12 divisors (see below), whose sum is σ = 102297888. Its totient is φ = 28009952.

The previous prime is 57237889. The next prime is 57237919. The reversal of 57237916 is 61973275.

57237916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57237919) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 152041 + ... + 152416.

It is an arithmetic number, because the mean of its divisors is an integer number (8524824).

Almost surely, 257237916 is an apocalyptic number.

It is an amenable number.

57237916 is a deficient number, since it is larger than the sum of its proper divisors (45059972).

57237916 is a wasteful number, since it uses less digits than its factorization.

57237916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304508 (or 304506 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 57237916 is about 7565.5743998721. The cubic root of 57237916 is about 385.3848201564.

The spelling of 57237916 in words is "fifty-seven million, two hundred thirty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 47 94 188 304457 608914 1217828 14309479 28618958 57237916