Base | Representation |
---|---|
bin | 10111011011000… |
… | …100011111101011 |
3 | 1000101110001121102 |
4 | 113123010133223 |
5 | 1301100103032 |
6 | 102554432015 |
7 | 12511131512 |
oct | 2733043753 |
9 | 1011401542 |
10 | 392972267 |
11 | 191905976 |
12 | ab73260b |
13 | 6355088c |
14 | 3a295679 |
15 | 24776362 |
hex | 176c47eb |
392972267 has 2 divisors, whose sum is σ = 392972268. Its totient is φ = 392972266.
The previous prime is 392972201. The next prime is 392972297. The reversal of 392972267 is 762279293.
It is a strong prime.
It is an emirp because it is prime and its reverse (762279293) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-392972267 is a prime.
It is a super-2 number, since 2×3929722672 = 308854405262238578, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (392972297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196486133 + 196486134.
It is an arithmetic number, because the mean of its divisors is an integer number (196486134).
Almost surely, 2392972267 is an apocalyptic number.
392972267 is a deficient number, since it is larger than the sum of its proper divisors (1).
392972267 is an equidigital number, since it uses as much as digits as its factorization.
392972267 is an evil number, because the sum of its binary digits is even.
The product of its digits is 571536, while the sum is 47.
The square root of 392972267 is about 19823.5281168615. The cubic root of 392972267 is about 732.4657142452.
The spelling of 392972267 in words is "three hundred ninety-two million, nine hundred seventy-two thousand, two hundred sixty-seven".
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