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130885356 = 22378318773
BaseRepresentation
bin1111100110100…
…10011011101100
3100010021122221210
413303102123230
5232001312411
620553154420
73146335650
oct763223354
9303248853
10130885356
1167977118
12379bba10
1321168774
1413550a60
15b755ca6
hex7cd26ec

130885356 has 48 divisors (see below), whose sum is σ = 353251584. Its totient is φ = 36943296.

The previous prime is 130885351. The next prime is 130885367. The reversal of 130885356 is 653588031.

130885356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (130885351) 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, 2415 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (7359408).

Almost surely, 2130885356 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 130885356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176625792).

130885356 is an abundant number, since it is smaller than the sum of its proper divisors (222366228).

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

130885356 is a wasteful number, since it uses less digits than its factorization.

130885356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18870 (or 18868 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 130885356 is about 11440.5137996508. The cubic root of 130885356 is about 507.7271097214.

The spelling of 130885356 in words is "one hundred thirty million, eight hundred eighty-five thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 166 249 332 498 581 996 1162 1743 2324 3486 6972 18773 37546 56319 75092 112638 131411 225276 262822 394233 525644 788466 1558159 1576932 3116318 4674477 6232636 9348954 10907113 18697908 21814226 32721339 43628452 65442678 130885356