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56395872 = 2533135021
BaseRepresentation
bin1101011100100…
…0100001100000
310221010012121000
43113020201200
5103414131442
65332432000
71253233311
oct327104140
9127105530
1056395872
112991a065
1216a78600
13b8b7650
1476c0608
154e3ed4c
hex35c8860

56395872 has 96 divisors (see below), whose sum is σ = 177176160. Its totient is φ = 17349120.

The previous prime is 56395853. The next prime is 56395877. The reversal of 56395872 is 27859365.

It is a happy number.

56395872 is a `hidden beast` number, since 5 + 63 + 9 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56395877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8722 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (1845585).

Almost surely, 256395872 is an apocalyptic number.

56395872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56395872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88588080).

56395872 is an abundant number, since it is smaller than the sum of its proper divisors (120780288).

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

56395872 is a wasteful number, since it uses less digits than its factorization.

56395872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053 (or 5039 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 56395872 is about 7509.7185033795. The cubic root of 56395872 is about 383.4856394567.

It can be divided in two parts, 5639 and 5872, that added together give a palindrome (11511).

The spelling of 56395872 in words is "fifty-six million, three hundred ninety-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 208 216 234 288 312 351 416 432 468 624 702 864 936 1248 1404 1872 2808 3744 5021 5616 10042 11232 15063 20084 30126 40168 45189 60252 65273 80336 90378 120504 130546 135567 160672 180756 195819 241008 261092 271134 361512 391638 482016 522184 542268 587457 723024 783276 1044368 1084536 1174914 1446048 1566552 1762371 2088736 2169072 2349828 3133104 3524742 4338144 4699656 6266208 7049484 9399312 14098968 18798624 28197936 56395872