Base | Representation |
---|---|
bin | 10111011000100… |
… | …100010001110100 |
3 | 1000100012201101222 |
4 | 113120210101310 |
5 | 1300413103040 |
6 | 102532405512 |
7 | 12502426325 |
oct | 2730442164 |
9 | 1010181358 |
10 | 392316020 |
11 | 1914a7918 |
12 | ab476898 |
13 | 63380c75 |
14 | 3a16444c |
15 | 24696bb5 |
hex | 17624474 |
392316020 has 12 divisors (see below), whose sum is σ = 823863684. Its totient is φ = 156926400.
The previous prime is 392316013. The next prime is 392316053. The reversal of 392316020 is 20613293.
It can be written as a sum of positive squares in 2 ways, for example, as 130005604 + 262310416 = 11402^2 + 16196^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9807881 + ... + 9807920.
It is an arithmetic number, because the mean of its divisors is an integer number (68655307).
Almost surely, 2392316020 is an apocalyptic number.
It is an amenable number.
392316020 is an abundant number, since it is smaller than the sum of its proper divisors (431547664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392316020 is a wasteful number, since it uses less digits than its factorization.
392316020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19615810 (or 19615808 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 26.
The square root of 392316020 is about 19806.9689755904. The cubic root of 392316020 is about 732.0577581905.
The spelling of 392316020 in words is "three hundred ninety-two million, three hundred sixteen thousand, twenty".
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