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57508564 = 22115112491
BaseRepresentation
bin1101101101100…
…0001011010100
311000012201220211
43123120023110
5104210233224
65412335204
71265546311
oct333301324
9130181824
1057508564
112a50a043
1217314504
13bbb6c49
1478cdd08
1550ae894
hex36d82d4

57508564 has 12 divisors (see below), whose sum is σ = 100735488. Its totient is φ = 28727000.

The previous prime is 57508531. The next prime is 57508601. The reversal of 57508564 is 46580575.

57508564 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 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, 1642 + ... + 10849.

It is an arithmetic number, because the mean of its divisors is an integer number (8394624).

Almost surely, 257508564 is an apocalyptic number.

It is an amenable number.

57508564 is a deficient number, since it is larger than the sum of its proper divisors (43226924).

57508564 is a wasteful number, since it uses less digits than its factorization.

57508564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13646 (or 13644 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 57508564 is about 7583.4401164643. The cubic root of 57508564 is about 385.9912926347.

The spelling of 57508564 in words is "fifty-seven million, five hundred eight thousand, five hundred sixty-four".

Divisors: 1 2 4 1151 2302 4604 12491 24982 49964 14377141 28754282 57508564