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57000937 = 716349957
BaseRepresentation
bin1101100101110…
…0001111101001
310222020221120211
43121130033221
5104043012222
65353421121
71261333330
oct331341751
9128227524
1057000937
112a1a2714
121710a7a1
13ba69b86
1477dad17
15500e277
hex365c3e9

57000937 has 8 divisors (see below), whose sum is σ = 65544896. Its totient is φ = 48557232.

The previous prime is 57000919. The next prime is 57000953. The reversal of 57000937 is 73900075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57000937 - 211 = 56998889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57000899 and 57000908.

It is not an unprimeable number, because it can be changed into a prime (57000907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23838 + ... + 26119.

It is an arithmetic number, because the mean of its divisors is an integer number (8193112).

Almost surely, 257000937 is an apocalyptic number.

It is an amenable number.

57000937 is a deficient number, since it is larger than the sum of its proper divisors (8543959).

57000937 is a wasteful number, since it uses less digits than its factorization.

57000937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50127.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 57000937 is about 7549.8964893567. The cubic root of 57000937 is about 384.8522219147.

The spelling of 57000937 in words is "fifty-seven million, nine hundred thirty-seven", and thus it is an aban number.

Divisors: 1 7 163 1141 49957 349699 8142991 57000937