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57675989 = 724312731
BaseRepresentation
bin1101110000000…
…1000011010101
311000112020120202
43130001003111
5104231112424
65420110245
71300144400
oct334010325
9130466522
1057675989
112a613908
1217395385
13bc45207
147934d37
1550e42ae
hex37010d5

57675989 has 12 divisors (see below), whose sum is σ = 67272768. Its totient is φ = 49303800.

The previous prime is 57675979. The next prime is 57676013. The reversal of 57675989 is 98957675.

57675989 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 57675989 - 28 = 57675733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57675979) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19754 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (5606064).

Almost surely, 257675989 is an apocalyptic number.

It is an amenable number.

57675989 is a deficient number, since it is larger than the sum of its proper divisors (9596779).

57675989 is a wasteful number, since it uses less digits than its factorization.

57675989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176 (or 3169 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 56.

The square root of 57675989 is about 7594.4709493157. The cubic root of 57675989 is about 386.3655092437.

The spelling of 57675989 in words is "fifty-seven million, six hundred seventy-five thousand, nine hundred eighty-nine".

Divisors: 1 7 49 431 2731 3017 19117 21119 133819 1177061 8239427 57675989