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115391372 = 2228847843
BaseRepresentation
bin1101110000010…
…11101110001100
322001010111012112
412320023232030
5214020010442
615241123152
72600544665
oct670135614
9261114175
10115391372
115a154278
12327894b8
131aba2325
141147a36c
15a1e5082
hex6e0bb8c

115391372 has 6 divisors (see below), whose sum is σ = 201934908. Its totient is φ = 57695684.

The previous prime is 115391369. The next prime is 115391387. The reversal of 115391372 is 273193511.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14423918 + ... + 14423925.

It is an arithmetic number, because the mean of its divisors is an integer number (33655818).

Almost surely, 2115391372 is an apocalyptic number.

It is an amenable number.

115391372 is a deficient number, since it is larger than the sum of its proper divisors (86543536).

115391372 is a wasteful number, since it uses less digits than its factorization.

115391372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28847847 (or 28847845 counting only the distinct ones).

The product of its digits is 5670, while the sum is 32.

The square root of 115391372 is about 10742.0376093179. The cubic root of 115391372 is about 486.8454465031.

The spelling of 115391372 in words is "one hundred fifteen million, three hundred ninety-one thousand, three hundred seventy-two".

Divisors: 1 2 4 28847843 57695686 115391372