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113141931 = 372769673
BaseRepresentation
bin1101011111001…
…10100010101011
321212220012112220
412233212202223
5212431020211
615121005123
72542455600
oct657464253
9255805486
10113141931
1158958231
1231a837a3
131a5954b6
14110526a7
159ded806
hex6be68ab

113141931 has 12 divisors (see below), whose sum is σ = 175485672. Its totient is φ = 64652448.

The previous prime is 113141927. The next prime is 113141933. The reversal of 113141931 is 139141311.

It is not a de Polignac number, because 113141931 - 22 = 113141927 is a prime.

It is a super-2 number, since 2×1131419312 = 25602193100817522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113141933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384690 + ... + 384983.

It is an arithmetic number, because the mean of its divisors is an integer number (14623806).

Almost surely, 2113141931 is an apocalyptic number.

113141931 is a deficient number, since it is larger than the sum of its proper divisors (62343741).

113141931 is an equidigital number, since it uses as much as digits as its factorization.

113141931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769690 (or 769683 counting only the distinct ones).

The product of its digits is 324, while the sum is 24.

The square root of 113141931 is about 10636.8195904603. The cubic root of 113141931 is about 483.6611403931.

The spelling of 113141931 in words is "one hundred thirteen million, one hundred forty-one thousand, nine hundred thirty-one".

Divisors: 1 3 7 21 49 147 769673 2309019 5387711 16163133 37713977 113141931