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56166560 = 255351041
BaseRepresentation
bin1101011001000…
…0100010100000
310220200120000222
43112100202200
5103334312220
65323502212
71251256622
oct326204240
9126616028
1056166560
112978284a
1216987968
13b837168
147660c12
154de6e25
hex35908a0

56166560 has 24 divisors (see below), whose sum is σ = 132693876. Its totient is φ = 22466560.

The previous prime is 56166541. The next prime is 56166563. The reversal of 56166560 is 6566165.

It can be written as a sum of positive squares in 2 ways, for example, as 55413136 + 753424 = 7444^2 + 868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56166560.

It is not an unprimeable number, because it can be changed into a prime (56166563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175361 + ... + 175680.

Almost surely, 256166560 is an apocalyptic number.

It is an amenable number.

56166560 is an abundant number, since it is smaller than the sum of its proper divisors (76527316).

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

56166560 is a wasteful number, since it uses less digits than its factorization.

56166560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351056 (or 351048 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56166560 is about 7494.4352689179. The cubic root of 56166560 is about 382.9651680449.

The spelling of 56166560 in words is "fifty-six million, one hundred sixty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 351041 702082 1404164 1755205 2808328 3510410 5616656 7020820 11233312 14041640 28083280 56166560