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57051668 = 22101283499
BaseRepresentation
bin1101100110100…
…0101000010100
310222100112011202
43121220220110
5104101123133
65354452032
71261634252
oct331505024
9128315152
1057051668
112a227843
1217134018
13ba86cab
1478115d2
15501e2e8
hex3668a14

57051668 has 24 divisors (see below), whose sum is σ = 101388000. Its totient is φ = 28087200.

The previous prime is 57051649. The next prime is 57051697. The reversal of 57051668 is 86615075.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114083 + ... + 114581.

It is an arithmetic number, because the mean of its divisors is an integer number (4224500).

Almost surely, 257051668 is an apocalyptic number.

It is an amenable number.

57051668 is a deficient number, since it is larger than the sum of its proper divisors (44336332).

57051668 is a wasteful number, since it uses less digits than its factorization.

57051668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 57051668 is about 7553.2554570860. The cubic root of 57051668 is about 384.9663612595.

The spelling of 57051668 in words is "fifty-seven million, fifty-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 101 202 283 404 499 566 998 1132 1996 28583 50399 57166 100798 114332 141217 201596 282434 564868 14262917 28525834 57051668