Base | Representation |
---|---|
bin | 111100111110… |
… | …1001101001010 |
3 | 2020011020202121 |
4 | 1321331031022 |
5 | 31141020442 |
6 | 3101121454 |
7 | 535512232 |
oct | 171751512 |
9 | 66136677 |
10 | 31970122 |
11 | 17056698 |
12 | a85928a |
13 | 6814942 |
14 | 4362cc2 |
15 | 2c17967 |
hex | 1e7d34a |
31970122 has 32 divisors (see below), whose sum is σ = 53121600. Its totient is φ = 14370048.
The previous prime is 31970111. The next prime is 31970137. The reversal of 31970122 is 22107913.
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, 73618 + ... + 74050.
It is an arithmetic number, because the mean of its divisors is an integer number (1660050).
Almost surely, 231970122 is an apocalyptic number.
31970122 is a deficient number, since it is larger than the sum of its proper divisors (21151478).
31970122 is a wasteful number, since it uses less digits than its factorization.
31970122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 550.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 31970122 is about 5654.2127657173. The cubic root of 31970122 is about 317.3813705241.
The spelling of 31970122 in words is "thirty-one million, nine hundred seventy thousand, one hundred twenty-two".
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