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130179428 = 2241793777
BaseRepresentation
bin1111100001001…
…10000101100100
3100001221210121022
413300212011210
5231311220203
620530110312
73140335601
oct760460544
9301853538
10130179428
1167534805
123771b398
1320c7c362
14134096a8
15b666a38
hex7c26164

130179428 has 12 divisors (see below), whose sum is σ = 233370732. Its totient is φ = 63502080.

The previous prime is 130179419. The next prime is 130179433. The reversal of 130179428 is 824971031.

130179428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63234304 + 66945124 = 7952^2 + 8182^2 .

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, 396725 + ... + 397052.

It is an arithmetic number, because the mean of its divisors is an integer number (19447561).

Almost surely, 2130179428 is an apocalyptic number.

It is an amenable number.

130179428 is a deficient number, since it is larger than the sum of its proper divisors (103191304).

130179428 is a wasteful number, since it uses less digits than its factorization.

130179428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793822 (or 793820 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 130179428 is about 11409.6199761429. The cubic root of 130179428 is about 506.8126577992.

The spelling of 130179428 in words is "one hundred thirty million, one hundred seventy-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 41 82 164 793777 1587554 3175108 32544857 65089714 130179428