Base | Representation |
---|---|
bin | 1111110110000… |
… | …00001110011011 |
3 | 100021002102101222 |
4 | 13323000032123 |
5 | 233011023211 |
6 | 21104402255 |
7 | 3202461452 |
oct | 773001633 |
9 | 307072358 |
10 | 132907931 |
11 | 69028772 |
12 | 3861638b |
13 | 216c6260 |
14 | 13919b99 |
15 | ba051db |
hex | 7ec039b |
132907931 has 8 divisors (see below), whose sum is σ = 143357424. Its totient is φ = 122490720.
The previous prime is 132907919. The next prime is 132907933. The reversal of 132907931 is 139709231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 132907931 - 26 = 132907867 is a prime.
It is a super-2 number, since 2×1329079312 = 35329036245401522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132907891 and 132907900.
It is not an unprimeable number, because it can be changed into a prime (132907933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860 + ... + 16326.
It is an arithmetic number, because the mean of its divisors is an integer number (17919678).
Almost surely, 2132907931 is an apocalyptic number.
132907931 is a deficient number, since it is larger than the sum of its proper divisors (10449493).
132907931 is a wasteful number, since it uses less digits than its factorization.
132907931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16141.
The product of its (nonzero) digits is 10206, while the sum is 35.
The square root of 132907931 is about 11528.5702062311. The cubic root of 132907931 is about 510.3290597149.
The spelling of 132907931 in words is "one hundred thirty-two million, nine hundred seven thousand, nine hundred thirty-one".
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