Base | Representation |
---|---|
bin | 111011010010… |
… | …0000110110010 |
3 | 2011111001221210 |
4 | 1312210012302 |
5 | 30424042012 |
6 | 3030100550 |
7 | 525116550 |
oct | 166440662 |
9 | 64431853 |
10 | 31080882 |
11 | 165a9588 |
12 | a4aa756 |
13 | 6592c71 |
14 | 41b0bd0 |
15 | 2ade23c |
hex | 1da41b2 |
31080882 has 16 divisors (see below), whose sum is σ = 71042112. Its totient is φ = 8880240.
The previous prime is 31080869. The next prime is 31080901. The reversal of 31080882 is 28808013.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369969 + ... + 370052.
It is an arithmetic number, because the mean of its divisors is an integer number (4440132).
Almost surely, 231080882 is an apocalyptic number.
31080882 is an abundant number, since it is smaller than the sum of its proper divisors (39961230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31080882 is a wasteful number, since it uses less digits than its factorization.
31080882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740033.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 31080882 is about 5575.0230492797. The cubic root of 31080882 is about 314.4110335139.
Adding to 31080882 its reverse (28808013), we get a palindrome (59888895).
The spelling of 31080882 in words is "thirty-one million, eighty thousand, eight hundred eighty-two".
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