Base | Representation |
---|---|
bin | 10011101110111… |
… | …101110110001001 |
3 | 212001222120002000 |
4 | 103232331312021 |
5 | 1134224012144 |
6 | 52504101213 |
7 | 11130061020 |
oct | 2356756611 |
9 | 761876060 |
10 | 331079049 |
11 | 15a981654 |
12 | 92a64809 |
13 | 5378cc82 |
14 | 31d838b7 |
15 | 1e0ec769 |
hex | 13bbdd89 |
331079049 has 16 divisors (see below), whose sum is σ = 560557440. Its totient is φ = 189187920.
The previous prime is 331079041. The next prime is 331079069. The reversal of 331079049 is 940970133.
It is not a de Polignac number, because 331079049 - 23 = 331079041 is a prime.
It is a super-2 number, since 2×3310790492 = 219226673373488802, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (331079041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875682 + ... + 876059.
It is an arithmetic number, because the mean of its divisors is an integer number (35034840).
Almost surely, 2331079049 is an apocalyptic number.
It is an amenable number.
331079049 is a deficient number, since it is larger than the sum of its proper divisors (229478391).
331079049 is a wasteful number, since it uses less digits than its factorization.
331079049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1751757 (or 1751751 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 331079049 is about 18195.5777319655. The cubic root of 331079049 is about 691.7947040723.
The spelling of 331079049 in words is "three hundred thirty-one million, seventy-nine thousand, forty-nine".
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