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56197260 = 22335714867
BaseRepresentation
bin1101011001100…
…0000010001100
310220202010011000
43112120002030
5103341303020
65324300300
71251445260
oct326300214
9126663130
1056197260
11297a3919
12169a1690
13b848122
14766c0a0
154e01090
hex359808c

56197260 has 96 divisors (see below), whose sum is σ = 199825920. Its totient is φ = 12844224.

The previous prime is 56197237. The next prime is 56197261. The reversal of 56197260 is 6279165.

56197260 is a `hidden beast` number, since 561 + 97 + 2 + 6 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (56197261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3654 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (2081520).

Almost surely, 256197260 is an apocalyptic number.

It is an amenable number.

56197260 is an abundant number, since it is smaller than the sum of its proper divisors (143628660).

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

56197260 is a wasteful number, since it uses less digits than its factorization.

56197260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892 (or 14884 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 56197260 is about 7496.4831754630. The cubic root of 56197260 is about 383.0349301312.

The spelling of 56197260 in words is "fifty-six million, one hundred ninety-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 14867 29734 44601 59468 74335 89202 104069 133803 148670 178404 208138 223005 267606 297340 312207 401409 416276 446010 520345 535212 624414 669015 802818 892020 936621 1040690 1248828 1338030 1561035 1605636 1873242 2007045 2081380 2676060 2809863 3122070 3746484 4014090 4683105 5619726 6244140 8028180 9366210 11239452 14049315 18732420 28098630 56197260