Base | Representation |
---|---|
bin | 10111010111100… |
… | …110100000001110 |
3 | 1000022201212022111 |
4 | 113113212200032 |
5 | 1300332003430 |
6 | 102523134234 |
7 | 12500323534 |
oct | 2727464016 |
9 | 1008655274 |
10 | 392062990 |
11 | 191344800 |
12 | ab37437a |
13 | 632c2a47 |
14 | 3a0da154 |
15 | 24646c2a |
hex | 175e680e |
392062990 has 48 divisors (see below), whose sum is σ = 779716224. Its totient is φ = 141831360.
The previous prime is 392062981. The next prime is 392062997. The reversal of 392062990 is 99260293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (392062997) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269104 + ... + 270556.
It is an arithmetic number, because the mean of its divisors is an integer number (16244088).
Almost surely, 2392062990 is an apocalyptic number.
392062990 is a deficient number, since it is larger than the sum of its proper divisors (387653234).
392062990 is a wasteful number, since it uses less digits than its factorization.
392062990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1705 (or 1694 counting only the distinct ones).
The product of its (nonzero) digits is 52488, while the sum is 40.
The square root of 392062990 is about 19800.5805470446. The cubic root of 392062990 is about 731.9003405287.
The spelling of 392062990 in words is "three hundred ninety-two million, sixty-two thousand, nine hundred ninety".
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