Base | Representation |
---|---|
bin | 10111011000111… |
… | …011111100000010 |
3 | 1000100101122100020 |
4 | 113120323330002 |
5 | 1300424203210 |
6 | 102534434310 |
7 | 12503312010 |
oct | 2730737402 |
9 | 1010348306 |
10 | 392412930 |
11 | 191563708 |
12 | ab502996 |
13 | 633b6100 |
14 | 3a18b8b0 |
15 | 246b5770 |
hex | 1763bf02 |
392412930 has 96 divisors (see below), whose sum is σ = 1165601664. Its totient is φ = 82787328.
The previous prime is 392412919. The next prime is 392413013. The reversal of 392412930 is 39214293.
It is a junction number, because it is equal to n+sod(n) for n = 392412891 and 392412900.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29962 + ... + 41018.
It is an arithmetic number, because the mean of its divisors is an integer number (12141684).
Almost surely, 2392412930 is an apocalyptic number.
392412930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 392412930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582800832).
392412930 is an abundant number, since it is smaller than the sum of its proper divisors (773188734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392412930 is a wasteful number, since it uses less digits than its factorization.
392412930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11100 (or 11087 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 392412930 is about 19809.4151857141. The cubic root of 392412930 is about 732.1180309239.
The spelling of 392412930 in words is "three hundred ninety-two million, four hundred twelve thousand, nine hundred thirty".
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