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113159641 = 731643811
BaseRepresentation
bin1101011111010…
…10110111011001
321212221002211211
412233222313121
5212432102031
615121223121
72542561330
oct657526731
9255832754
10113159641
115896a571
1231a91aa1
131a5a058a
1411058d17
159e03bb1
hex6beadd9

113159641 has 16 divisors (see below), whose sum is σ = 133869568. Its totient is φ = 93603600.

The previous prime is 113159639. The next prime is 113159647. The reversal of 113159641 is 146951311.

It is a cyclic number.

It is not a de Polignac number, because 113159641 - 21 = 113159639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (113159647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139126 + ... + 139936.

It is an arithmetic number, because the mean of its divisors is an integer number (8366848).

Almost surely, 2113159641 is an apocalyptic number.

It is an amenable number.

113159641 is a deficient number, since it is larger than the sum of its proper divisors (20709927).

113159641 is an equidigital number, since it uses as much as digits as its factorization.

113159641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its digits is 3240, while the sum is 31.

The square root of 113159641 is about 10637.6520435668. The cubic root of 113159641 is about 483.6863747509.

The spelling of 113159641 in words is "one hundred thirteen million, one hundred fifty-nine thousand, six hundred forty-one".

Divisors: 1 7 31 217 643 811 4501 5677 19933 25141 139531 175987 521473 3650311 16165663 113159641