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115427091 = 3132959669
BaseRepresentation
bin1101110000101…
…00011100010011
322001012022012110
412320110130103
5214022131331
615242000403
72601054063
oct670243423
9261168173
10115427091
115a17909a
12327a6103
131abb5670
14114893a3
15a200946
hex6e14713

115427091 has 8 divisors (see below), whose sum is σ = 165741520. Its totient is φ = 71032032.

The previous prime is 115427077. The next prime is 115427101. The reversal of 115427091 is 190724511.

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

It is not a de Polignac number, because 115427091 - 26 = 115427027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115427051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1479796 + ... + 1479873.

It is an arithmetic number, because the mean of its divisors is an integer number (20717690).

Almost surely, 2115427091 is an apocalyptic number.

115427091 is a deficient number, since it is larger than the sum of its proper divisors (50314429).

115427091 is a wasteful number, since it uses less digits than its factorization.

115427091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959685.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 115427091 is about 10743.7000609660. The cubic root of 115427091 is about 486.8956750954.

The spelling of 115427091 in words is "one hundred fifteen million, four hundred twenty-seven thousand, ninety-one".

Divisors: 1 3 13 39 2959669 8879007 38475697 115427091