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115891396 = 2231791397
BaseRepresentation
bin1101110100001…
…01110011000100
322002001220002221
412322011303010
5214132011041
615255542124
72605026535
oct672056304
9262056087
10115891396
115a465a15
123298a944
131b018aba
141156a68c
15a2932d1
hex6e85cc4

115891396 has 12 divisors (see below), whose sum is σ = 203451948. Its totient is φ = 57762272.

The previous prime is 115891343. The next prime is 115891417. The reversal of 115891396 is 693198511.

It can be written as a sum of positive squares in 2 ways, for example, as 21529600 + 94361796 = 4640^2 + 9714^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44431 + ... + 46966.

It is an arithmetic number, because the mean of its divisors is an integer number (16954329).

Almost surely, 2115891396 is an apocalyptic number.

It is an amenable number.

115891396 is a deficient number, since it is larger than the sum of its proper divisors (87560552).

115891396 is a wasteful number, since it uses less digits than its factorization.

115891396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91718 (or 91716 counting only the distinct ones).

The product of its digits is 58320, while the sum is 43.

The square root of 115891396 is about 10765.2866195007. The cubic root of 115891396 is about 487.5476469757.

The spelling of 115891396 in words is "one hundred fifteen million, eight hundred ninety-one thousand, three hundred ninety-six".

Divisors: 1 2 4 317 634 1268 91397 182794 365588 28972849 57945698 115891396