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57325013 = 113507301
BaseRepresentation
bin1101101010101…
…1010111010101
310222212102010122
43122223113111
5104133400023
65404401325
71264153214
oct332532725
9128772118
1057325013
112a3a4149
1217246245
13bb51535
14788307b
1550752c8
hex36ab5d5

57325013 has 4 divisors (see below), whose sum is σ = 57832428. Its totient is φ = 56817600.

The previous prime is 57325001. The next prime is 57325027. The reversal of 57325013 is 31052375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 53611684 = 1927^2 + 7322^2 .

It is a cyclic number.

It is not a de Polignac number, because 57325013 - 24 = 57324997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57325313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253538 + ... + 253763.

It is an arithmetic number, because the mean of its divisors is an integer number (14458107).

Almost surely, 257325013 is an apocalyptic number.

It is an amenable number.

57325013 is a deficient number, since it is larger than the sum of its proper divisors (507415).

57325013 is a wasteful number, since it uses less digits than its factorization.

57325013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507414.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 57325013 is about 7571.3283510887. The cubic root of 57325013 is about 385.5801967707.

Adding to 57325013 its reverse (31052375), we get a palindrome (88377388).

The spelling of 57325013 in words is "fifty-seven million, three hundred twenty-five thousand, thirteen".

Divisors: 1 113 507301 57325013