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56726472 = 233111511423
BaseRepresentation
bin1101100001100…
…1001111001000
310221202000002110
43120121033020
5104010221342
65343502320
71256111205
oct330311710
9127660073
1056726472
112a025490
1216bb79a0
13b9a1c7a
147768cac
154ea7c9c
hex36193c8

56726472 has 64 divisors (see below), whose sum is σ = 155842560. Its totient is φ = 17064000.

The previous prime is 56726437. The next prime is 56726477. The reversal of 56726472 is 27462765.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56726472.

It is not an unprimeable number, because it can be changed into a prime (56726477) 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, 39153 + ... + 40575.

It is an arithmetic number, because the mean of its divisors is an integer number (2435040).

Almost surely, 256726472 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 56726472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77921280).

56726472 is an abundant number, since it is smaller than the sum of its proper divisors (99116088).

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

56726472 is a wasteful number, since it uses less digits than its factorization.

56726472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1590 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 56726472 is about 7531.6978165617. The cubic root of 56726472 is about 384.2335276574.

The spelling of 56726472 in words is "fifty-six million, seven hundred twenty-six thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 151 264 302 453 604 906 1208 1423 1661 1812 2846 3322 3624 4269 4983 5692 6644 8538 9966 11384 13288 15653 17076 19932 31306 34152 39864 46959 62612 93918 125224 187836 214873 375672 429746 644619 859492 1289238 1718984 2363603 2578476 4727206 5156952 7090809 9454412 14181618 18908824 28363236 56726472