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56220360 = 233571731127
BaseRepresentation
bin1101011001110…
…1101011001000
310220210021211120
43112131223020
5103343022420
65324555240
71251602520
oct326355310
9126707746
1056220360
112980a209
12169b2b20
13b8557b1
147676680
154e07d40
hex359dac8

56220360 has 256 divisors, whose sum is σ = 212336640. Its totient is φ = 11612160.

The previous prime is 56220341. The next prime is 56220371. The reversal of 56220360 is 6302265.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 56220360.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 442617 + ... + 442743.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 256220360 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 56220360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106168320).

56220360 is an abundant number, since it is smaller than the sum of its proper divisors (156116280).

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

56220360 is a wasteful number, since it uses less digits than its factorization.

56220360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 56220360 is about 7498.0237396263. The cubic root of 56220360 is about 383.0874053754.

The spelling of 56220360 in words is "fifty-six million, two hundred twenty thousand, three hundred sixty".