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56120856 = 23311212579
BaseRepresentation
bin1101011000010…
…1011000011000
310220121020100020
43112011120120
5103331331411
65322510440
71251006441
oct326053030
9126536306
1056120856
1129751480
1216965420
13b81c40c
14764c2c8
154dd8606
hex3585618

56120856 has 32 divisors (see below), whose sum is σ = 153057600. Its totient is φ = 17006240.

The previous prime is 56120837. The next prime is 56120861. The reversal of 56120856 is 65802165.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106026 + ... + 106553.

It is an arithmetic number, because the mean of its divisors is an integer number (4783050).

Almost surely, 256120856 is an apocalyptic number.

It is an amenable number.

56120856 is an abundant number, since it is smaller than the sum of its proper divisors (96936744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56120856 is a wasteful number, since it uses less digits than its factorization.

56120856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212599 (or 212595 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 56120856 is about 7491.3854526383. The cubic root of 56120856 is about 382.8612640509.

The spelling of 56120856 in words is "fifty-six million, one hundred twenty thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 212579 425158 637737 850316 1275474 1700632 2338369 2550948 4676738 5101896 7015107 9353476 14030214 18706952 28060428 56120856