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56227015 = 5134320117
BaseRepresentation
bin1101011001111…
…1010011000111
310220210121222001
43112133103013
5103343231030
65325050131
71251631105
oct326372307
9126717861
1056227015
1129814209
12169b6947
13b858830
147678c75
154e09cca
hex359f4c7

56227015 has 16 divisors (see below), whose sum is σ = 74356128. Its totient is φ = 40553856.

The previous prime is 56227001. The next prime is 56227021. The reversal of 56227015 is 51072265.

It is a cyclic number.

It is not a de Polignac number, because 56227015 - 25 = 56226983 is a prime.

It is a super-2 number, since 2×562270152 = 6322954431620450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7264 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (4647258).

Almost surely, 256227015 is an apocalyptic number.

56227015 is a deficient number, since it is larger than the sum of its proper divisors (18129113).

56227015 is a wasteful number, since it uses less digits than its factorization.

56227015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 56227015 is about 7498.4675100983. The cubic root of 56227015 is about 383.1025205762.

The spelling of 56227015 in words is "fifty-six million, two hundred twenty-seven thousand, fifteen".

Divisors: 1 5 13 43 65 215 559 2795 20117 100585 261521 865031 1307605 4325155 11245403 56227015