Base | Representation |
---|---|
bin | 10111011000111… |
… | …101101100101110 |
3 | 1000100102000020100 |
4 | 113120331230232 |
5 | 1300424421032 |
6 | 102534531530 |
7 | 12503342022 |
oct | 2730755456 |
9 | 1010360210 |
10 | 392420142 |
11 | 191569074 |
12 | ab506ba6 |
13 | 633b948a |
14 | 3a190382 |
15 | 246b797c |
hex | 1763db2e |
392420142 has 24 divisors (see below), whose sum is σ = 850804344. Its totient is φ = 130720464.
The previous prime is 392420131. The next prime is 392420173. The reversal of 392420142 is 241024293.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24688 + ... + 37340.
It is an arithmetic number, because the mean of its divisors is an integer number (35450181).
Almost surely, 2392420142 is an apocalyptic number.
392420142 is an abundant number, since it is smaller than the sum of its proper divisors (458384202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392420142 is a wasteful number, since it uses less digits than its factorization.
392420142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14384 (or 14381 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 392420142 is about 19809.5972195297. The cubic root of 392420142 is about 732.1225159977.
The spelling of 392420142 in words is "three hundred ninety-two million, four hundred twenty thousand, one hundred forty-two".
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