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56725344 = 253213109139
BaseRepresentation
bin1101100001100…
…0111101100000
310221201221112200
43120120331200
5104010202334
65343453200
71256105004
oct330307540
9127657480
1056725344
112a024655
1216bb7200
13b9a15c0
147768704
154ea7799
hex3618f60

56725344 has 144 divisors (see below), whose sum is σ = 176576400. Its totient is φ = 17169408.

The previous prime is 56725267. The next prime is 56725351. The reversal of 56725344 is 44352765.

56725344 is a `hidden beast` number, since 56 + 72 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56725299 and 56725308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408027 + ... + 408165.

It is an arithmetic number, because the mean of its divisors is an integer number (1226225).

Almost surely, 256725344 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 56725344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88288200).

56725344 is an abundant number, since it is smaller than the sum of its proper divisors (119851056).

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

56725344 is a wasteful number, since it uses less digits than its factorization.

56725344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 266 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 56725344 is about 7531.6229326753. The cubic root of 56725344 is about 384.2309808259.

The spelling of 56725344 in words is "fifty-six million, seven hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 109 117 139 144 156 208 218 234 278 288 312 327 416 417 436 468 556 624 654 834 872 936 981 1112 1248 1251 1308 1417 1668 1744 1807 1872 1962 2224 2502 2616 2834 3336 3488 3614 3744 3924 4251 4448 5004 5232 5421 5668 6672 7228 7848 8502 10008 10464 10842 11336 12753 13344 14456 15151 15696 16263 17004 20016 21684 22672 25506 28912 30302 31392 32526 34008 40032 43368 45344 45453 51012 57824 60604 65052 68016 86736 90906 102024 121208 130104 136032 136359 173472 181812 196963 204048 242416 260208 272718 363624 393926 408096 484832 520416 545436 590889 727248 787852 1090872 1181778 1454496 1575704 1772667 2181744 2363556 3151408 3545334 4363488 4727112 6302816 7090668 9454224 14181336 18908448 28362672 56725344