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130723620 = 223510911997
BaseRepresentation
bin1111100101010…
…10111100100100
3100002222110002120
413302222330210
5231431123440
620545505540
73145063266
oct762527444
9302873076
10130723620
1167876655
12379422b0
132110cc71
141350bb36
15b722dd0
hex7caaf24

130723620 has 48 divisors (see below), whose sum is σ = 366545088. Its totient is φ = 34810240.

The previous prime is 130723613. The next prime is 130723631. The reversal of 130723620 is 26327031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64462 + ... + 66458.

It is an arithmetic number, because the mean of its divisors is an integer number (7636356).

Almost surely, 2130723620 is an apocalyptic number.

130723620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130723620 is an abundant number, since it is smaller than the sum of its proper divisors (235821468).

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

130723620 is a wasteful number, since it uses less digits than its factorization.

130723620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 130723620 is about 11433.4430509799. The cubic root of 130723620 is about 507.5178894743.

The spelling of 130723620 in words is "one hundred thirty million, seven hundred twenty-three thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1091 1997 2182 3273 3994 4364 5455 5991 6546 7988 9985 10910 11982 13092 16365 19970 21820 23964 29955 32730 39940 59910 65460 119820 2178727 4357454 6536181 8714908 10893635 13072362 21787270 26144724 32680905 43574540 65361810 130723620