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130667924 = 2297336773
BaseRepresentation
bin1111100100111…
…01010110010100
3100002212121200202
413302131112110
5231422333144
620544400032
73144442022
oct762352624
9302777622
10130667924
1167838822
1237916018
13210c07ca
14134d5712
15b71164e
hex7c9d594

130667924 has 12 divisors (see below), whose sum is σ = 231026964. Its totient is φ = 64660224.

The previous prime is 130667893. The next prime is 130667941. The reversal of 130667924 is 429766031.

It can be written as a sum of positive squares in 2 ways, for example, as 97812100 + 32855824 = 9890^2 + 5732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167999 + ... + 168774.

It is an arithmetic number, because the mean of its divisors is an integer number (19252247).

Almost surely, 2130667924 is an apocalyptic number.

It is an amenable number.

130667924 is a deficient number, since it is larger than the sum of its proper divisors (100359040).

130667924 is a wasteful number, since it uses less digits than its factorization.

130667924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336874 (or 336872 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 130667924 is about 11431.0071297327. The cubic root of 130667924 is about 507.4458016814.

The spelling of 130667924 in words is "one hundred thirty million, six hundred sixty-seven thousand, nine hundred twenty-four".

Divisors: 1 2 4 97 194 388 336773 673546 1347092 32666981 65333962 130667924