Base | Representation |
---|---|
bin | 1001111111111… |
… | …10100110001011 |
3 | 12211211120011221 |
4 | 10333332212023 |
5 | 132433132311 |
6 | 12153502511 |
7 | 2035654033 |
oct | 477764613 |
9 | 184746157 |
10 | 83880331 |
11 | 43391597 |
12 | 24111a37 |
13 | 144bb642 |
14 | b1d68c3 |
15 | 756d671 |
hex | 4ffe98b |
83880331 has 2 divisors, whose sum is σ = 83880332. Its totient is φ = 83880330.
The previous prime is 83880317. The next prime is 83880337. The reversal of 83880331 is 13308838.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 83880331 - 211 = 83878283 is a prime.
It is a super-2 number, since 2×838803312 = 14071819857339122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (83880337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41940165 + 41940166.
It is an arithmetic number, because the mean of its divisors is an integer number (41940166).
Almost surely, 283880331 is an apocalyptic number.
83880331 is a deficient number, since it is larger than the sum of its proper divisors (1).
83880331 is an equidigital number, since it uses as much as digits as its factorization.
83880331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 83880331 is about 9158.6205839089. The cubic root of 83880331 is about 437.7438418647.
The spelling of 83880331 in words is "eighty-three million, eight hundred eighty thousand, three hundred thirty-one".
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