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115157130 = 235111512311
BaseRepresentation
bin1101101110100…
…10100010001010
322000200120212220
412313102202022
5213440012010
615232114510
72565551034
oct667224212
9260616786
10115157130
115a004290
1232695a36
131ab1c81a
1411418c54
15a19a970
hex6dd288a

115157130 has 64 divisors (see below), whose sum is σ = 303630336. Its totient is φ = 27720000.

The previous prime is 115157089. The next prime is 115157137. The reversal of 115157130 is 31751511.

It is a super-2 number, since 2×1151571302 = 26522329179673800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115157130.

It is not an unprimeable number, because it can be changed into a prime (115157137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48675 + ... + 50985.

It is an arithmetic number, because the mean of its divisors is an integer number (4744224).

Almost surely, 2115157130 is an apocalyptic number.

115157130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115157130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151815168).

115157130 is an abundant number, since it is smaller than the sum of its proper divisors (188473206).

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

115157130 is a wasteful number, since it uses less digits than its factorization.

115157130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 525, while the sum is 24.

The square root of 115157130 is about 10731.1290179552. The cubic root of 115157130 is about 486.5157947500.

The spelling of 115157130 in words is "one hundred fifteen million, one hundred fifty-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 151 165 302 330 453 755 906 1510 1661 2265 2311 3322 4530 4622 4983 6933 8305 9966 11555 13866 16610 23110 24915 25421 34665 49830 50842 69330 76263 127105 152526 254210 348961 381315 697922 762630 1046883 1744805 2093766 3489610 3838571 5234415 7677142 10468830 11515713 19192855 23031426 38385710 57578565 115157130