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56692428 = 223131931617
BaseRepresentation
bin1101100001000…
…0111011001100
310221200021101120
43120100323030
5104003124203
65343040540
71255610022
oct330207314
9127607346
1056692428
112a001951
1216ba0150
13b98c620
14775a712
154e9cb53
hex3610ecc

56692428 has 96 divisors (see below), whose sum is σ = 155043840. Its totient is φ = 15966720.

The previous prime is 56692423. The next prime is 56692453. The reversal of 56692428 is 82429665.

It is a self number, because there is not a number n which added to its sum of digits gives 56692428.

It is not an unprimeable number, because it can be changed into a prime (56692421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91576 + ... + 92192.

It is an arithmetic number, because the mean of its divisors is an integer number (1615040).

Almost surely, 256692428 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 56692428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77521920).

56692428 is an abundant number, since it is smaller than the sum of its proper divisors (98351412).

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

56692428 is a wasteful number, since it uses less digits than its factorization.

56692428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 685 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 56692428 is about 7529.4374291842. The cubic root of 56692428 is about 384.1566472438.

The spelling of 56692428 in words is "fifty-six million, six hundred ninety-two thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 19 26 31 38 39 52 57 62 76 78 93 114 124 156 186 228 247 372 403 494 589 617 741 806 988 1178 1209 1234 1482 1612 1767 1851 2356 2418 2468 2964 3534 3702 4836 7068 7404 7657 8021 11723 15314 16042 19127 22971 23446 24063 30628 32084 35169 38254 45942 46892 48126 57381 70338 76508 91884 96252 114762 140676 152399 229524 248651 304798 363413 457197 497302 609596 726826 745953 914394 994604 1090239 1453652 1491906 1828788 2180478 2983812 4360956 4724369 9448738 14173107 18897476 28346214 56692428