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56054864 = 2419238017
BaseRepresentation
bin1101010111010…
…1010001010000
310220110212211002
43111311101100
5103322223424
65321241132
71250313155
oct325652120
9126425732
1056054864
1129706938
12169331a8
13b7c8378
14763222c
154dc3cae
hex3575450

56054864 has 40 divisors (see below), whose sum is σ = 119307840. Its totient is φ = 25394688.

The previous prime is 56054863. The next prime is 56054891. The reversal of 56054864 is 46845065.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56054861) 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, 2984 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (2982696).

Almost surely, 256054864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56054864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59653920).

56054864 is an abundant number, since it is smaller than the sum of its proper divisors (63252976).

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

56054864 is a wasteful number, since it uses less digits than its factorization.

56054864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067 (or 8061 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 56054864 is about 7486.9796313333. The cubic root of 56054864 is about 382.7111375081.

The spelling of 56054864 in words is "fifty-six million, fifty-four thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 19 23 38 46 76 92 152 184 304 368 437 874 1748 3496 6992 8017 16034 32068 64136 128272 152323 184391 304646 368782 609292 737564 1218584 1475128 2437168 2950256 3503429 7006858 14013716 28027432 56054864