Base | Representation |
---|---|
bin | 10011101110110… |
… | …010000101011000 |
3 | 212001220002222200 |
4 | 103232302011120 |
5 | 1134220441442 |
6 | 52503050200 |
7 | 11126500404 |
oct | 2356620530 |
9 | 761802880 |
10 | 331030872 |
11 | 15a949437 |
12 | 92a40960 |
13 | 53774073 |
14 | 31d70104 |
15 | 1e0dd34c |
hex | 13bb2158 |
331030872 has 48 divisors (see below), whose sum is σ = 906633000. Its totient is φ = 109101696.
The previous prime is 331030859. The next prime is 331030873. The reversal of 331030872 is 278030133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331030873) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19422 + ... + 32237.
Almost surely, 2331030872 is an apocalyptic number.
It is an amenable number.
331030872 is an abundant number, since it is smaller than the sum of its proper divisors (575602128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331030872 is a wasteful number, since it uses less digits than its factorization.
331030872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51760 (or 51753 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 331030872 is about 18194.2538181702. The cubic root of 331030872 is about 691.7611469201.
The spelling of 331030872 in words is "three hundred thirty-one million, thirty thousand, eight hundred seventy-two".
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