Base | Representation |
---|---|
bin | 1111110000101… |
… | …01010011010111 |
3 | 100012202212001100 |
4 | 13320111103113 |
5 | 232321122311 |
6 | 21041401143 |
7 | 3163514400 |
oct | 770252327 |
9 | 305685040 |
10 | 132207831 |
11 | 6869a778 |
12 | 383391b3 |
13 | 2150c6b2 |
14 | 137b69a7 |
15 | b917a56 |
hex | 7e154d7 |
132207831 has 36 divisors (see below), whose sum is σ = 223041000. Its totient is φ = 75243168.
The previous prime is 132207797. The next prime is 132207847. The reversal of 132207831 is 138702231.
It is not a de Polignac number, because 132207831 - 26 = 132207767 is a prime.
It is a super-2 number, since 2×1322078312 = 34957821155449122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 132207795 and 132207804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132207931) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153480 + ... + 154338.
Almost surely, 2132207831 is an apocalyptic number.
132207831 is a deficient number, since it is larger than the sum of its proper divisors (90833169).
132207831 is a wasteful number, since it uses less digits than its factorization.
132207831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1228 (or 1218 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 132207831 is about 11498.1664190426. The cubic root of 132207831 is about 509.4314194021.
The spelling of 132207831 in words is "one hundred thirty-two million, two hundred seven thousand, eight hundred thirty-one".
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