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56027815 = 511205563
BaseRepresentation
bin1101010110111…
…0101010100111
310220102111201021
43111232222213
5103320342230
65320512011
71250141254
oct325565247
9126374637
1056027815
1129698588
121691b607
13b7b8c6c
14762642b
154dbac7a
hex356eaa7

56027815 has 4 divisors (see below), whose sum is σ = 67233384. Its totient is φ = 44822248.

The previous prime is 56027809. The next prime is 56027849. The reversal of 56027815 is 51872065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56027815 - 27 = 56027687 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5602777 + ... + 5602786.

It is an arithmetic number, because the mean of its divisors is an integer number (16808346).

Almost surely, 256027815 is an apocalyptic number.

56027815 is a deficient number, since it is larger than the sum of its proper divisors (11205569).

56027815 is a wasteful number, since it uses less digits than its factorization.

56027815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205568.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 56027815 is about 7485.1730106925. The cubic root of 56027815 is about 382.6495691424.

The spelling of 56027815 in words is "fifty-six million, twenty-seven thousand, eight hundred fifteen".

Divisors: 1 5 11205563 56027815