Base | Representation |
---|---|
bin | 10111011010100… |
… | …010000100001001 |
3 | 1000101011220011020 |
4 | 113122202010021 |
5 | 1301031044431 |
6 | 102551423053 |
7 | 12510003405 |
oct | 2732420411 |
9 | 1011156136 |
10 | 392831241 |
11 | 191819a20 |
12 | ab684a89 |
13 | 6350162a |
14 | 3a25a105 |
15 | 24749696 |
hex | 176a2109 |
392831241 has 16 divisors (see below), whose sum is σ = 571803840. Its totient is φ = 237907520.
The previous prime is 392831239. The next prime is 392831249. The reversal of 392831241 is 142138293.
It is a cyclic number.
It is not a de Polignac number, because 392831241 - 21 = 392831239 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (392831249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53755 + ... + 60623.
It is an arithmetic number, because the mean of its divisors is an integer number (35737740).
Almost surely, 2392831241 is an apocalyptic number.
It is an amenable number.
392831241 is a deficient number, since it is larger than the sum of its proper divisors (178972599).
392831241 is a wasteful number, since it uses less digits than its factorization.
392831241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8616.
The product of its digits is 10368, while the sum is 33.
The square root of 392831241 is about 19819.9707618351. The cubic root of 392831241 is about 732.3780837449.
The spelling of 392831241 in words is "three hundred ninety-two million, eight hundred thirty-one thousand, two hundred forty-one".
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