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115388132 = 22254911317
BaseRepresentation
bin1101110000010…
…10111011100100
322001010022202112
412320022323210
5214014410012
615241100152
72600532356
oct670127344
9261108675
10115388132
115a1518a2
1232787658
131aba0a02
14114790d6
15a1e4122
hex6e0aee4

115388132 has 12 divisors (see below), whose sum is σ = 202026300. Its totient is φ = 57666336.

The previous prime is 115388131. The next prime is 115388173. The reversal of 115388132 is 231883511.

It can be written as a sum of positive squares in 2 ways, for example, as 109704676 + 5683456 = 10474^2 + 2384^2 .

It is not an unprimeable number, because it can be changed into a prime (115388131) 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, 4538 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (16835525).

Almost surely, 2115388132 is an apocalyptic number.

It is an amenable number.

115388132 is a deficient number, since it is larger than the sum of its proper divisors (86638168).

115388132 is a wasteful number, since it uses less digits than its factorization.

115388132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870 (or 13868 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 115388132 is about 10741.8867988822. The cubic root of 115388132 is about 486.8408898539.

The spelling of 115388132 in words is "one hundred fifteen million, three hundred eighty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 2549 5098 10196 11317 22634 45268 28847033 57694066 115388132