Base | Representation |
---|---|
bin | 1001110111111… |
… | …10011100001001 |
3 | 12202212020221000 |
4 | 10323332130021 |
5 | 132201043423 |
6 | 12115205213 |
7 | 2024024061 |
oct | 473763411 |
9 | 182766830 |
10 | 82831113 |
11 | 42835272 |
12 | 238a6809 |
13 | 14211bc1 |
14 | b0023a1 |
15 | 7412843 |
hex | 4efe709 |
82831113 has 16 divisors (see below), whose sum is σ = 123981760. Its totient is φ = 54649728.
The previous prime is 82831109. The next prime is 82831121. The reversal of 82831113 is 31113828.
It is not a de Polignac number, because 82831113 - 22 = 82831109 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (82831153) 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, 13195 + ... + 18432.
It is an arithmetic number, because the mean of its divisors is an integer number (7748860).
Almost surely, 282831113 is an apocalyptic number.
It is an amenable number.
82831113 is a deficient number, since it is larger than the sum of its proper divisors (41150647).
82831113 is a wasteful number, since it uses less digits than its factorization.
82831113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31733 (or 31727 counting only the distinct ones).
The product of its digits is 1152, while the sum is 27.
The square root of 82831113 is about 9101.1599810134. The cubic root of 82831113 is about 435.9110039856.
It can be divided in two parts, 82831 and 113, that added together give a square (82944 = 2882).
The spelling of 82831113 in words is "eighty-two million, eight hundred thirty-one thousand, one hundred thirteen".
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