Base | Representation |
---|---|
bin | 10111011001111… |
… | …111100101011100 |
3 | 1000100220201102112 |
4 | 113121333211130 |
5 | 1301012040022 |
6 | 102544413152 |
7 | 12505544561 |
oct | 2731774534 |
9 | 1010821375 |
10 | 392690012 |
11 | 191732900 |
12 | ab6171b8 |
13 | 63482270 |
14 | 3a220868 |
15 | 2471c8e2 |
hex | 1767f95c |
392690012 has 72 divisors (see below), whose sum is σ = 821142000. Its totient is φ = 163215360.
The previous prime is 392690009. The next prime is 392690033. The reversal of 392690012 is 210096293.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874364 + ... + 874812.
It is an arithmetic number, because the mean of its divisors is an integer number (11404750).
Almost surely, 2392690012 is an apocalyptic number.
It is an amenable number.
392690012 is an abundant number, since it is smaller than the sum of its proper divisors (428451988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392690012 is a wasteful number, since it uses less digits than its factorization.
392690012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627 (or 614 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 392690012 is about 19816.4076461906. The cubic root of 392690012 is about 732.2903060843.
The spelling of 392690012 in words is "three hundred ninety-two million, six hundred ninety thousand, twelve".
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