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56037 = 318679
BaseRepresentation
bin1101101011100101
32211212110
431223211
53243122
61111233
7322242
oct155345
984773
1056037
1139113
1228519
131c677
14165c9
151190c
hexdae5

56037 has 4 divisors (see below), whose sum is σ = 74720. Its totient is φ = 37356.

The previous prime is 56009. The next prime is 56039. The reversal of 56037 is 73065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56037 - 212 = 51941 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 56037.

It is not an unprimeable number, because it can be changed into a prime (56039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9337 + ... + 9342.

It is an arithmetic number, because the mean of its divisors is an integer number (18680).

256037 is an apocalyptic number.

It is an amenable number.

56037 is a deficient number, since it is larger than the sum of its proper divisors (18683).

56037 is a wasteful number, since it uses less digits than its factorization.

56037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18682.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 56037 is about 236.7213551837. The cubic root of 56037 is about 38.2670478068.

The spelling of 56037 in words is "fifty-six thousand, thirty-seven".

Divisors: 1 3 18679 56037