Base | Representation |
---|---|
bin | 1111110101011… |
… | …01101010101000 |
3 | 100020221120010110 |
4 | 13322231222220 |
5 | 233001110122 |
6 | 21103014320 |
7 | 3202024023 |
oct | 772555250 |
9 | 306846113 |
10 | 132831912 |
11 | 68a86644 |
12 | 3859a3a0 |
13 | 2169a785 |
14 | 138da1ba |
15 | b9dc90c |
hex | 7eadaa8 |
132831912 has 64 divisors (see below), whose sum is σ = 339811200. Its totient is φ = 43258880.
The previous prime is 132831911. The next prime is 132831929. The reversal of 132831912 is 219138231.
It is a self number, because there is not a number n which added to its sum of digits gives 132831912.
It is not an unprimeable number, because it can be changed into a prime (132831911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233164 + ... + 233732.
It is an arithmetic number, because the mean of its divisors is an integer number (5309550).
Almost surely, 2132831912 is an apocalyptic number.
132831912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
132831912 is an abundant number, since it is smaller than the sum of its proper divisors (206979288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132831912 is a wasteful number, since it uses less digits than its factorization.
132831912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 786 (or 782 counting only the distinct ones).
The product of its digits is 2592, while the sum is 30.
The square root of 132831912 is about 11525.2727516532. The cubic root of 132831912 is about 510.2317439683.
The spelling of 132831912 in words is "one hundred thirty-two million, eight hundred thirty-one thousand, nine hundred twelve".
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