Base | Representation |
---|---|
bin | 1001111000010… |
… | …10111101111111 |
3 | 12202221212022200 |
4 | 10330022331333 |
5 | 132204214211 |
6 | 12120242543 |
7 | 2024326512 |
oct | 474127577 |
9 | 182855280 |
10 | 82882431 |
11 | 4286a885 |
12 | 23910453 |
13 | 1422c378 |
14 | b016d79 |
15 | 7422b56 |
hex | 4f0af7f |
82882431 has 12 divisors (see below), whose sum is σ = 120329352. Its totient is φ = 54973296.
The previous prime is 82882411. The next prime is 82882441. The reversal of 82882431 is 13428828.
It is a happy number.
It is not a de Polignac number, because 82882431 - 25 = 82882399 is a prime.
It is a super-2 number, since 2×828824312 = 13738994736939522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82882411) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21601 + ... + 25146.
It is an arithmetic number, because the mean of its divisors is an integer number (10027446).
Almost surely, 282882431 is an apocalyptic number.
82882431 is a deficient number, since it is larger than the sum of its proper divisors (37446921).
82882431 is a wasteful number, since it uses less digits than its factorization.
82882431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46950 (or 46947 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 82882431 is about 9103.9788554236. The cubic root of 82882431 is about 436.0010082602.
The spelling of 82882431 in words is "eighty-two million, eight hundred eighty-two thousand, four hundred thirty-one".
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