Base | Representation |
---|---|
bin | 11011011111011… |
… | …00010001101101 |
3 | 121001220222212111 |
4 | 31233230101231 |
5 | 433013342213 |
6 | 34514404021 |
7 | 5500055335 |
oct | 1557542155 |
9 | 531828774 |
10 | 230605933 |
11 | 109197718 |
12 | 65290611 |
13 | 38a1201c |
14 | 228ac0c5 |
15 | 153a2a3d |
hex | dbec46d |
230605933 has 2 divisors, whose sum is σ = 230605934. Its totient is φ = 230605932.
The previous prime is 230605919. The next prime is 230605937. The reversal of 230605933 is 339506032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 223412809 + 7193124 = 14947^2 + 2682^2 .
It is a cyclic number.
It is not a de Polignac number, because 230605933 - 29 = 230605421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 230605895 and 230605904.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230605937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115302966 + 115302967.
It is an arithmetic number, because the mean of its divisors is an integer number (115302967).
Almost surely, 2230605933 is an apocalyptic number.
It is an amenable number.
230605933 is a deficient number, since it is larger than the sum of its proper divisors (1).
230605933 is an equidigital number, since it uses as much as digits as its factorization.
230605933 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14580, while the sum is 31.
The square root of 230605933 is about 15185.7147675044. The cubic root of 230605933 is about 613.2301401359.
The spelling of 230605933 in words is "two hundred thirty million, six hundred five thousand, nine hundred thirty-three".
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