Base | Representation |
---|---|
bin | 10001101101011… |
… | …001100101001011 |
3 | 202201001221200200 |
4 | 101231121211023 |
5 | 1102030121211 |
6 | 45252103243 |
7 | 10235266242 |
oct | 2155314513 |
9 | 681057620 |
10 | 297113931 |
11 | 142793104 |
12 | 83604b23 |
13 | 4972a27a |
14 | 2b661959 |
15 | 1b13db56 |
hex | 11b5994b |
297113931 has 24 divisors (see below), whose sum is σ = 457367040. Its totient is φ = 185426736.
The previous prime is 297113923. The next prime is 297113933. The reversal of 297113931 is 139311792.
It is a happy number.
It is not a de Polignac number, because 297113931 - 23 = 297113923 is a prime.
It is a super-2 number, since 2×2971139312 = 176553375988545522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (297113933) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5541 + ... + 24998.
It is an arithmetic number, because the mean of its divisors is an integer number (19056960).
Almost surely, 2297113931 is an apocalyptic number.
297113931 is a deficient number, since it is larger than the sum of its proper divisors (160253109).
297113931 is a wasteful number, since it uses less digits than its factorization.
297113931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30615 (or 30612 counting only the distinct ones).
The product of its digits is 10206, while the sum is 36.
The square root of 297113931 is about 17236.9930962451. The cubic root of 297113931 is about 667.2793294884.
The spelling of 297113931 in words is "two hundred ninety-seven million, one hundred thirteen thousand, nine hundred thirty-one".
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