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130694724 = 22323739733
BaseRepresentation
bin1111100101000…
…11111001000100
3100002220222110100
413302203321010
5231424212344
620545124100
73144613116
oct762437104
9302828410
10130694724
1167856976
1237929630
13210cca74
14135013b6
15b719569
hex7ca3e44

130694724 has 36 divisors (see below), whose sum is σ = 331286956. Its totient is φ = 43443648.

The previous prime is 130694699. The next prime is 130694737. The reversal of 130694724 is 427496031.

It can be written as a sum of positive squares in 2 ways, for example, as 94478400 + 36216324 = 9720^2 + 6018^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1306947242 = 34162221762872352, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8562 + ... + 18294.

Almost surely, 2130694724 is an apocalyptic number.

It is an amenable number.

130694724 is an abundant number, since it is smaller than the sum of its proper divisors (200592232).

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

130694724 is a wasteful number, since it uses less digits than its factorization.

130694724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 130694724 is about 11432.1793197973. The cubic root of 130694724 is about 507.4804916992.

The spelling of 130694724 in words is "one hundred thirty million, six hundred ninety-four thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 373 746 1119 1492 2238 3357 4476 6714 9733 13428 19466 29199 38932 58398 87597 116796 175194 350388 3630409 7260818 10891227 14521636 21782454 32673681 43564908 65347362 130694724