Base | Representation |
---|---|
bin | 111011010101… |
… | …1111100000100 |
3 | 2011112200222000 |
4 | 1312223330010 |
5 | 30431103324 |
6 | 3030505300 |
7 | 525312231 |
oct | 166537404 |
9 | 64480860 |
10 | 31112964 |
11 | 166206a3 |
12 | a505230 |
13 | 65a474c |
14 | 41bc788 |
15 | 2ae89c9 |
hex | 1dabf04 |
31112964 has 48 divisors (see below), whose sum is σ = 83274240. Its totient is φ = 10035360.
The previous prime is 31112957. The next prime is 31112987. The reversal of 31112964 is 46921113.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299 + ... + 7994.
It is an arithmetic number, because the mean of its divisors is an integer number (1734880).
Almost surely, 231112964 is an apocalyptic number.
It is an amenable number.
31112964 is an abundant number, since it is smaller than the sum of its proper divisors (52161276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31112964 is a wasteful number, since it uses less digits than its factorization.
31112964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9337 (or 9329 counting only the distinct ones).
The product of its digits is 1296, while the sum is 27.
The square root of 31112964 is about 5577.8996046899. The cubic root of 31112964 is about 314.5191757277.
The spelling of 31112964 in words is "thirty-one million, one hundred twelve thousand, nine hundred sixty-four".
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