Base | Representation |
---|---|
bin | 10110110100110… |
… | …001001010101111 |
3 | 222200112221110000 |
4 | 112310301022233 |
5 | 1241012303011 |
6 | 101555315343 |
7 | 12326602515 |
oct | 2664611257 |
9 | 880487400 |
10 | 382931631 |
11 | 187178225 |
12 | a82abb53 |
13 | 61446684 |
14 | 38c004b5 |
15 | 23941356 |
hex | 16d312af |
382931631 has 20 divisors (see below), whose sum is σ = 591762600. Its totient is φ = 246483216.
The previous prime is 382931629. The next prime is 382931651. The reversal of 382931631 is 136139283.
It is not a de Polignac number, because 382931631 - 21 = 382931629 is a prime.
It is a super-2 number, since 2×3829316312 = 293273268040640322, which contains 22 as substring.
It is a zygodrome in base 3.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (382931651) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79161 + ... + 83858.
It is an arithmetic number, because the mean of its divisors is an integer number (29588130).
Almost surely, 2382931631 is an apocalyptic number.
382931631 is a deficient number, since it is larger than the sum of its proper divisors (208830969).
382931631 is a wasteful number, since it uses less digits than its factorization.
382931631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163060 (or 163051 counting only the distinct ones).
The product of its digits is 23328, while the sum is 36.
The square root of 382931631 is about 19568.6389664688. The cubic root of 382931631 is about 726.1735293139.
The spelling of 382931631 in words is "three hundred eighty-two million, nine hundred thirty-one thousand, six hundred thirty-one".
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