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57164668 = 22116719391
BaseRepresentation
bin1101101000010…
…0001101111100
310222120021011221
43122010031330
5104113232133
65401123124
71262614561
oct332041574
9128507157
1057164668
112a2a4730
12171894a4
13bac6562
147840868
155042a2d
hex368437c

57164668 has 24 divisors (see below), whose sum is σ = 110767104. Its totient is φ = 25594800.

The previous prime is 57164633. The next prime is 57164669. The reversal of 57164668 is 86646175.

It is a happy number.

57164668 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 not an unprimeable number, because it can be changed into a prime (57164669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6748 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (4615296).

Almost surely, 257164668 is an apocalyptic number.

It is an amenable number.

57164668 is a deficient number, since it is larger than the sum of its proper divisors (53602436).

57164668 is a wasteful number, since it uses less digits than its factorization.

57164668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473 (or 19471 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 57164668 is about 7560.7319751463. The cubic root of 57164668 is about 385.2203562290.

The spelling of 57164668 in words is "fifty-seven million, one hundred sixty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 67 134 268 737 1474 2948 19391 38782 77564 213301 426602 853204 1299197 2598394 5196788 14291167 28582334 57164668