Base | Representation |
---|---|
bin | 111011101000… |
… | …1000101101100 |
3 | 2011211102200212 |
4 | 1313101011230 |
5 | 31000441012 |
6 | 3034041552 |
7 | 526514663 |
oct | 167210554 |
9 | 64742625 |
10 | 31265132 |
11 | 16714a58 |
12 | a5792b8 |
13 | 6628aa2 |
14 | 421bdda |
15 | 2b28b22 |
hex | 1dd116c |
31265132 has 12 divisors (see below), whose sum is σ = 56600880. Its totient is φ = 15093456.
The previous prime is 31265107. The next prime is 31265147. The reversal of 31265132 is 23156213.
It is a junction number, because it is equal to n+sod(n) for n = 31265098 and 31265107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134648 + ... + 134879.
It is an arithmetic number, because the mean of its divisors is an integer number (4716740).
Almost surely, 231265132 is an apocalyptic number.
It is an amenable number.
31265132 is a deficient number, since it is larger than the sum of its proper divisors (25335748).
31265132 is a wasteful number, since it uses less digits than its factorization.
31265132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269560 (or 269558 counting only the distinct ones).
The product of its digits is 1080, while the sum is 23.
The square root of 31265132 is about 5591.5232271716. The cubic root of 31265132 is about 315.0310946041.
The spelling of 31265132 in words is "thirty-one million, two hundred sixty-five thousand, one hundred thirty-two".
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