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115104661 = 716443523
BaseRepresentation
bin1101101110001…
…01101110010101
322000120220220121
412313011232111
5213431322121
615231031541
72565242050
oct667055625
9260526817
10115104661
1159a78921
123266b5b1
131ab01989
1411403a97
15a18a141
hex6dc5b95

115104661 has 4 divisors (see below), whose sum is σ = 131548192. Its totient is φ = 98661132.

The previous prime is 115104653. The next prime is 115104667. The reversal of 115104661 is 166401511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115104661 - 23 = 115104653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115104667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8221755 + ... + 8221768.

It is an arithmetic number, because the mean of its divisors is an integer number (32887048).

Almost surely, 2115104661 is an apocalyptic number.

It is an amenable number.

115104661 is a deficient number, since it is larger than the sum of its proper divisors (16443531).

115104661 is an equidigital number, since it uses as much as digits as its factorization.

115104661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443530.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 115104661 is about 10728.6840292740. The cubic root of 115104661 is about 486.4418931885.

The spelling of 115104661 in words is "one hundred fifteen million, one hundred four thousand, six hundred sixty-one".

Divisors: 1 7 16443523 115104661