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57315208 = 2346115541
BaseRepresentation
bin1101101010100…
…0111110001000
310222211220200111
43122220332020
5104133041313
65404244104
71264112506
oct332507610
9128756614
1057315208
112a397845
1217240634
13bb49c32
14787d676
15507243d
hex36a8f88

57315208 has 16 divisors (see below), whose sum is σ = 107706060. Its totient is φ = 28593600.

The previous prime is 57315197. The next prime is 57315283. The reversal of 57315208 is 80251375.

57315208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57123364 + 191844 = 7558^2 + 438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57315208.

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 3 ways as a sum of consecutive naturals, for example, 4083 + ... + 11458.

Almost surely, 257315208 is an apocalyptic number.

It is an amenable number.

57315208 is a deficient number, since it is larger than the sum of its proper divisors (50390852).

57315208 is a wasteful number, since it uses less digits than its factorization.

57315208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008 (or 16004 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 57315208 is about 7570.6808148277. The cubic root of 57315208 is about 385.5582120140.

The spelling of 57315208 in words is "fifty-seven million, three hundred fifteen thousand, two hundred eight".

Divisors: 1 2 4 8 461 922 1844 3688 15541 31082 62164 124328 7164401 14328802 28657604 57315208