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56874820 = 22559157307
BaseRepresentation
bin1101100011110…
…1011101000100
310222000112120211
43120331131010
5104024443240
65351005204
71260266542
oct330753504
9128015524
1056874820
112a116992
1217069804
13ba24652
1477a6d92
154ed6bea
hex363d744

56874820 has 48 divisors (see below), whose sum is σ = 122633280. Its totient is φ = 22149504.

The previous prime is 56874799. The next prime is 56874859. The reversal of 56874820 is 2847865.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185107 + ... + 185413.

It is an arithmetic number, because the mean of its divisors is an integer number (2554860).

Almost surely, 256874820 is an apocalyptic number.

It is an amenable number.

56874820 is an abundant number, since it is smaller than the sum of its proper divisors (65758460).

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

56874820 is a wasteful number, since it uses less digits than its factorization.

56874820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 56874820 is about 7541.5396306059. The cubic root of 56874820 is about 384.5681783499.

The spelling of 56874820 in words is "fifty-six million, eight hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 157 236 295 307 314 590 614 628 785 1180 1228 1535 1570 3070 3140 6140 9263 18113 18526 36226 37052 46315 48199 72452 90565 92630 96398 181130 185260 192796 240995 362260 481990 963980 2843741 5687482 11374964 14218705 28437410 56874820