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130739856 = 24313209519
BaseRepresentation
bin1111100101011…
…10111010010000
3100010000021100220
413302232322100
5231432133411
620550113040
73145161522
oct762567220
9303007326
10130739856
1167887875
123794b780
1321117480
1413513a12
15b727b06
hex7caee90

130739856 has 40 divisors (see below), whose sum is σ = 363726720. Its totient is φ = 40227456.

The previous prime is 130739837. The next prime is 130739863. The reversal of 130739856 is 658937031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104136 + ... + 105383.

It is an arithmetic number, because the mean of its divisors is an integer number (9093168).

Almost surely, 2130739856 is an apocalyptic number.

130739856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130739856 is an abundant number, since it is smaller than the sum of its proper divisors (232986864).

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

130739856 is a wasteful number, since it uses less digits than its factorization.

130739856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209543 (or 209537 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 130739856 is about 11434.1530512758. The cubic root of 130739856 is about 507.5389000087.

The spelling of 130739856 in words is "one hundred thirty million, seven hundred thirty-nine thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 209519 419038 628557 838076 1257114 1676152 2514228 2723747 3352304 5028456 5447494 8171241 10056912 10894988 16342482 21789976 32684964 43579952 65369928 130739856