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57868076 = 2272066717
BaseRepresentation
bin1101110010111…
…1111100101100
311000220000002002
43130233330230
5104303234301
65424151432
71301604410
oct334577454
9130800062
1057868076
112a735162
1217468578
13bcb1786
147984d40
15513116b
hex372ff2c

57868076 has 12 divisors (see below), whose sum is σ = 115736208. Its totient is φ = 24800592.

The previous prime is 57868073. The next prime is 57868093. The reversal of 57868076 is 67086875.

57868076 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 57868076.

It is not an unprimeable number, because it can be changed into a prime (57868073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033331 + ... + 1033386.

It is an arithmetic number, because the mean of its divisors is an integer number (9644684).

Almost surely, 257868076 is an apocalyptic number.

It is an amenable number.

57868076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57868076 is a wasteful number, since it uses less digits than its factorization.

57868076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066728 (or 2066726 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 57868076 is about 7607.1069402237. The cubic root of 57868076 is about 386.7939576287.

The spelling of 57868076 in words is "fifty-seven million, eight hundred sixty-eight thousand, seventy-six".

Divisors: 1 2 4 7 14 28 2066717 4133434 8266868 14467019 28934038 57868076