Base | Representation |
---|---|
bin | 11011011111100… |
… | …01110111100001 |
3 | 121001222011021122 |
4 | 31233301313201 |
5 | 433020110313 |
6 | 34515102025 |
7 | 5500212161 |
oct | 1557616741 |
9 | 531864248 |
10 | 230628833 |
11 | 109202946 |
12 | 652a1915 |
13 | 38a1c586 |
14 | 228b65a1 |
15 | 153a9708 |
hex | dbf1de1 |
230628833 has 2 divisors, whose sum is σ = 230628834. Its totient is φ = 230628832.
The previous prime is 230628829. The next prime is 230628847. The reversal of 230628833 is 338826032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 228402769 + 2226064 = 15113^2 + 1492^2 .
It is a cyclic number.
It is not a de Polignac number, because 230628833 - 22 = 230628829 is a prime.
It is a super-2 number, since 2×2306288332 = 106379317221883778, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230628793 and 230628802.
It is not a weakly prime, because it can be changed into another prime (230628883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115314416 + 115314417.
It is an arithmetic number, because the mean of its divisors is an integer number (115314417).
Almost surely, 2230628833 is an apocalyptic number.
It is an amenable number.
230628833 is a deficient number, since it is larger than the sum of its proper divisors (1).
230628833 is an equidigital number, since it uses as much as digits as its factorization.
230628833 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 35.
The square root of 230628833 is about 15186.4687468812. The cubic root of 230628833 is about 613.2504381181.
The spelling of 230628833 in words is "two hundred thirty million, six hundred twenty-eight thousand, eight hundred thirty-three".
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