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115830965 = 523166193
BaseRepresentation
bin1101110011101…
…11000010110101
322001221211012202
412321313002311
5214123042330
615254354245
72604355415
oct671670265
9261854182
10115830965
115a424578
123295b985
131acc7443
1411552645
15a280445
hex6e770b5

115830965 has 4 divisors (see below), whose sum is σ = 138997164. Its totient is φ = 92664768.

The previous prime is 115830947. The next prime is 115830977. The reversal of 115830965 is 569038511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69072721 + 46758244 = 8311^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 115830965 - 210 = 115829941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11583092 + ... + 11583101.

It is an arithmetic number, because the mean of its divisors is an integer number (34749291).

Almost surely, 2115830965 is an apocalyptic number.

It is an amenable number.

115830965 is a deficient number, since it is larger than the sum of its proper divisors (23166199).

115830965 is an equidigital number, since it uses as much as digits as its factorization.

115830965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23166198.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 115830965 is about 10762.4795005612. The cubic root of 115830965 is about 487.4628891321.

It can be divided in two parts, 1158 and 30965, that added together give a palindrome (32123).

The spelling of 115830965 in words is "one hundred fifteen million, eight hundred thirty thousand, nine hundred sixty-five".

Divisors: 1 5 23166193 115830965