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56608520 = 23523371663
BaseRepresentation
bin1101011111110…
…0011100001000
310221112000021212
43113330130020
5103442433040
65341152252
71255110263
oct327743410
9127460255
1056608520
1129a54901
1216b5b688
13b960387
147737cda
154e82d65
hex35fc708

56608520 has 64 divisors (see below), whose sum is σ = 136581120. Its totient is φ = 21060864.

The previous prime is 56608499. The next prime is 56608529. The reversal of 56608520 is 2580665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56608529) 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, 33209 + ... + 34871.

It is an arithmetic number, because the mean of its divisors is an integer number (2134080).

Almost surely, 256608520 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 56608520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68290560).

56608520 is an abundant number, since it is smaller than the sum of its proper divisors (79972600).

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

56608520 is a wasteful number, since it uses less digits than its factorization.

56608520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 56608520 is about 7523.8633693070. The cubic root of 56608520 is about 383.9670291425.

The spelling of 56608520 in words is "fifty-six million, six hundred eight thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 37 40 46 74 92 115 148 184 185 230 296 370 460 740 851 920 1480 1663 1702 3326 3404 4255 6652 6808 8315 8510 13304 16630 17020 33260 34040 38249 61531 66520 76498 123062 152996 191245 246124 305992 307655 382490 492248 615310 764980 1230620 1415213 1529960 2461240 2830426 5660852 7076065 11321704 14152130 28304260 56608520