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BaseRepresentation
bin1101111000101000
32220000101
431320220
53304442
61115144
7324544
oct157050
986011
1056872
1139802
1228ab4
131cb6a
1416a24
1511cb7
hexde28

56872 has 8 divisors (see below), whose sum is σ = 106650. Its totient is φ = 28432.

The previous prime is 56857. The next prime is 56873. The reversal of 56872 is 27865.

56872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54756 + 2116 = 234^2 + 46^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 56872.

It is not an unprimeable number, because it can be changed into a prime (56873) by changing a digit.

56872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3547 + ... + 3562.

256872 is an apocalyptic number.

It is an amenable number.

56872 is a deficient number, since it is larger than the sum of its proper divisors (49778).

56872 is a wasteful number, since it uses less digits than its factorization.

56872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115 (or 7111 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 56872 is about 238.4785105623. The cubic root of 56872 is about 38.4561822285.

The spelling of 56872 in words is "fifty-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 7109 14218 28436 56872