Base | Representation |
---|---|
bin | 1101110000010… |
… | …10111011100100 |
3 | 22001010022202112 |
4 | 12320022323210 |
5 | 214014410012 |
6 | 15241100152 |
7 | 2600532356 |
oct | 670127344 |
9 | 261108675 |
10 | 115388132 |
11 | 5a1518a2 |
12 | 32787658 |
13 | 1aba0a02 |
14 | 114790d6 |
15 | a1e4122 |
hex | 6e0aee4 |
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".
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