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331079049 = 3371751741
BaseRepresentation
bin10011101110111…
…101110110001001
3212001222120002000
4103232331312021
51134224012144
652504101213
711130061020
oct2356756611
9761876060
10331079049
1115a981654
1292a64809
135378cc82
1431d838b7
151e0ec769
hex13bbdd89

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".

Divisors: 1 3 7 9 21 27 63 189 1751741 5255223 12262187 15765669 36786561 47297007 110359683 331079049