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56901 = 3131459
BaseRepresentation
bin1101111001000101
32220001110
431321011
53310101
61115233
7324615
oct157105
986043
1056901
1139829
1228b19
131cb90
1416a45
1511cd6
hexde45

56901 has 8 divisors (see below), whose sum is σ = 81760. Its totient is φ = 34992.

The previous prime is 56897. The next prime is 56909. The reversal of 56901 is 10965.

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

It is not a de Polignac number, because 56901 - 22 = 56897 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56909) 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, 691 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (10220).

256901 is an apocalyptic number.

It is an amenable number.

56901 is a deficient number, since it is larger than the sum of its proper divisors (24859).

56901 is a wasteful number, since it uses less digits than its factorization.

56901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 56901 is about 238.5393049374. The cubic root of 56901 is about 38.4627176049.

The spelling of 56901 in words is "fifty-six thousand, nine hundred one".

Divisors: 1 3 13 39 1459 4377 18967 56901