Base | Representation |
---|---|
bin | 111011110110… |
… | …0111100101110 |
3 | 2012001020020022 |
4 | 1313230330232 |
5 | 31013113441 |
6 | 3040322142 |
7 | 530501453 |
oct | 167547456 |
9 | 65036208 |
10 | 31379246 |
11 | 16792768 |
12 | a613352 |
13 | 6668a02 |
14 | 424b82a |
15 | 2b4c84b |
hex | 1decf2e |
31379246 has 16 divisors (see below), whose sum is σ = 50122800. Its totient is φ = 14682240.
The previous prime is 31379239. The next prime is 31379261. The reversal of 31379246 is 64297313.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605 + ... + 8703.
It is an arithmetic number, because the mean of its divisors is an integer number (3132675).
Almost surely, 231379246 is an apocalyptic number.
31379246 is a deficient number, since it is larger than the sum of its proper divisors (18743554).
31379246 is a wasteful number, since it uses less digits than its factorization.
31379246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5299.
The product of its digits is 27216, while the sum is 35.
The square root of 31379246 is about 5601.7181292885. The cubic root of 31379246 is about 315.4139045420.
The spelling of 31379246 in words is "thirty-one million, three hundred seventy-nine thousand, two hundred forty-six".
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