Base | Representation |
---|---|
bin | 10010101100001… |
… | …010110011101010 |
3 | 210212000221002210 |
4 | 102230022303222 |
5 | 1120233142430 |
6 | 51040505550 |
7 | 10525200564 |
oct | 2254126352 |
9 | 725027083 |
10 | 313568490 |
11 | 151001714 |
12 | 8901b2b6 |
13 | 4cc6b9b1 |
14 | 2d906334 |
15 | 1c7de2b0 |
hex | 12b0acea |
313568490 has 32 divisors (see below), whose sum is σ = 768579840. Its totient is φ = 81838784.
The previous prime is 313568483. The next prime is 313568531. The reversal of 313568490 is 94865313.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109785 + ... + 112604.
It is an arithmetic number, because the mean of its divisors is an integer number (24018120).
Almost surely, 2313568490 is an apocalyptic number.
313568490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
313568490 is an abundant number, since it is smaller than the sum of its proper divisors (455011350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313568490 is a wasteful number, since it uses less digits than its factorization.
313568490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222446.
The product of its (nonzero) digits is 77760, while the sum is 39.
The square root of 313568490 is about 17707.8652016554. The cubic root of 313568490 is about 679.3769451552.
The spelling of 313568490 in words is "three hundred thirteen million, five hundred sixty-eight thousand, four hundred ninety".
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