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113909869 = 238575779
BaseRepresentation
bin1101100101000…
…10000001101101
321221100012222001
412302202001231
5213130103434
615145252301
72552134513
oct662420155
9257305861
10113909869
1159332197
1232194091
131a7a3bb8
14111b24b3
15a001114
hex6ca206d

113909869 has 8 divisors (see below), whose sum is σ = 119021760. Its totient is φ = 108811296.

The previous prime is 113909839. The next prime is 113909893. The reversal of 113909869 is 968909311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113909869 - 25 = 113909837 is a prime.

It is a super-2 number, since 2×1139098692 = 25950916511194322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113909819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16822 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (14877720).

Almost surely, 2113909869 is an apocalyptic number.

It is an amenable number.

113909869 is a deficient number, since it is larger than the sum of its proper divisors (5111891).

113909869 is an equidigital number, since it uses as much as digits as its factorization.

113909869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 113909869 is about 10672.8566466528. The cubic root of 113909869 is about 484.7529389636.

The spelling of 113909869 in words is "one hundred thirteen million, nine hundred nine thousand, eight hundred sixty-nine".

Divisors: 1 23 857 5779 19711 132917 4952603 113909869