Base | Representation |
---|---|
bin | 1001111001011… |
… | …10100101101011 |
3 | 12210020021110101 |
4 | 10330232211223 |
5 | 132223401311 |
6 | 12123330231 |
7 | 2025505051 |
oct | 474564553 |
9 | 183207411 |
10 | 83028331 |
11 | 4295a461 |
12 | 23980977 |
13 | 142808b9 |
14 | b0541d1 |
15 | 7450ec1 |
hex | 4f2e96b |
83028331 has 2 divisors, whose sum is σ = 83028332. Its totient is φ = 83028330.
The previous prime is 83028329. The next prime is 83028353. The reversal of 83028331 is 13382038.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 83028331 - 21 = 83028329 is a prime.
It is a super-2 number, since 2×830283312 = 13787407497291122, which contains 22 as substring.
Together with 83028329, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 83028331.
It is not a weakly prime, because it can be changed into another prime (83028031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41514165 + 41514166.
It is an arithmetic number, because the mean of its divisors is an integer number (41514166).
Almost surely, 283028331 is an apocalyptic number.
83028331 is a deficient number, since it is larger than the sum of its proper divisors (1).
83028331 is an equidigital number, since it uses as much as digits as its factorization.
83028331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 83028331 is about 9111.9883121084. The cubic root of 83028331 is about 436.2566927543.
It can be divided in two parts, 830 and 28331, that added together give a triangular number (29161 = T241).
The spelling of 83028331 in words is "eighty-three million, twenty-eight thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •