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57908 = 2231467
BaseRepresentation
bin1110001000110100
32221102202
432020310
53323113
61124032
7330554
oct161064
987382
1057908
113a564
1229618
1320486
1417164
1512258
hexe234

57908 has 12 divisors (see below), whose sum is σ = 104832. Its totient is φ = 27960.

The previous prime is 57901. The next prime is 57917. The reversal of 57908 is 80975.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 357.

It is an arithmetic number, because the mean of its divisors is an integer number (8736).

257908 is an apocalyptic number.

It is an amenable number.

57908 is a deficient number, since it is larger than the sum of its proper divisors (46924).

57908 is a wasteful number, since it uses less digits than its factorization.

57908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 57908 is about 240.6408111688. The cubic root of 57908 is about 38.6882888712.

The spelling of 57908 in words is "fifty-seven thousand, nine hundred eight".

Divisors: 1 2 4 31 62 124 467 934 1868 14477 28954 57908