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56386812 = 22344310607
BaseRepresentation
bin1101011100011…
…0010011111100
310221002202011110
43113012103330
5103413334222
65332322020
71253165016
oct327062374
9127082143
1056386812
1129913279
1216a73310
13b8b34a1
1476bb1b6
154e3c30c
hex35c64fc

56386812 has 24 divisors (see below), whose sum is σ = 131878656. Its totient is φ = 18751408.

The previous prime is 56386789. The next prime is 56386819. The reversal of 56386812 is 21868365.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56386819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 10619.

It is an arithmetic number, because the mean of its divisors is an integer number (5494944).

Almost surely, 256386812 is an apocalyptic number.

It is an amenable number.

56386812 is an abundant number, since it is smaller than the sum of its proper divisors (75491844).

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

56386812 is a wasteful number, since it uses less digits than its factorization.

56386812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057 (or 11055 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 56386812 is about 7509.1152608014. The cubic root of 56386812 is about 383.4651026937.

The spelling of 56386812 in words is "fifty-six million, three hundred eighty-six thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 443 886 1329 1772 2658 5316 10607 21214 31821 42428 63642 127284 4698901 9397802 14096703 18795604 28193406 56386812