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57313529 = 713629819
BaseRepresentation
bin1101101010100…
…0100011111001
310222211211101022
43122220203321
5104133013104
65404232225
71264104560
oct332504371
9128754338
1057313529
112a396559
121723b675
13bb49240
14787cbd7
155071bbe
hex36a88f9

57313529 has 8 divisors (see below), whose sum is σ = 70539840. Its totient is φ = 45346896.

The previous prime is 57313507. The next prime is 57313537. The reversal of 57313529 is 92531375.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-57313529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57313549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314819 + ... + 315000.

It is an arithmetic number, because the mean of its divisors is an integer number (8817480).

Almost surely, 257313529 is an apocalyptic number.

It is an amenable number.

57313529 is a deficient number, since it is larger than the sum of its proper divisors (13226311).

57313529 is a wasteful number, since it uses less digits than its factorization.

57313529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629839.

The product of its digits is 28350, while the sum is 35.

The square root of 57313529 is about 7570.5699257057. The cubic root of 57313529 is about 385.5544471112.

The spelling of 57313529 in words is "fifty-seven million, three hundred thirteen thousand, five hundred twenty-nine".

Divisors: 1 7 13 91 629819 4408733 8187647 57313529