Base | Representation |
---|---|
bin | 1001111001011… |
… | …11010001001001 |
3 | 12210020102021102 |
4 | 10330233101021 |
5 | 132223443423 |
6 | 12123351145 |
7 | 2025516134 |
oct | 474572111 |
9 | 183212242 |
10 | 83031113 |
11 | 42961560 |
12 | 239824b5 |
13 | 14281c49 |
14 | b05521b |
15 | 7451c28 |
hex | 4f2f449 |
83031113 has 16 divisors (see below), whose sum is σ = 95109120. Its totient is φ = 71792400.
The previous prime is 83031103. The next prime is 83031161. The reversal of 83031113 is 31113038.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 83031113 - 24 = 83031097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83031103) 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, 18056 + ... + 22182.
It is an arithmetic number, because the mean of its divisors is an integer number (5944320).
Almost surely, 283031113 is an apocalyptic number.
It is an amenable number.
83031113 is a deficient number, since it is larger than the sum of its proper divisors (12078007).
83031113 is a wasteful number, since it uses less digits than its factorization.
83031113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4228.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 83031113 is about 9112.1409668639. The cubic root of 83031113 is about 436.2615651978.
The spelling of 83031113 in words is "eighty-three million, thirty-one thousand, one hundred thirteen".
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