Base | Representation |
---|---|
bin | 11011011110110… |
… | …11010000110111 |
3 | 121001210110021112 |
4 | 31233123100313 |
5 | 433004124442 |
6 | 34513105235 |
7 | 5466345224 |
oct | 1557332067 |
9 | 531713245 |
10 | 230536247 |
11 | 10914a327 |
12 | 6525821b |
13 | 389b93a6 |
14 | 2289094b |
15 | 1538c082 |
hex | dbdb437 |
230536247 has 2 divisors, whose sum is σ = 230536248. Its totient is φ = 230536246.
The previous prime is 230536231. The next prime is 230536259. The reversal of 230536247 is 742635032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230536247 - 24 = 230536231 is a prime.
It is a super-2 number, since 2×2305362472 = 106293922361690018, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230536217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115268123 + 115268124.
It is an arithmetic number, because the mean of its divisors is an integer number (115268124).
Almost surely, 2230536247 is an apocalyptic number.
230536247 is a deficient number, since it is larger than the sum of its proper divisors (1).
230536247 is an equidigital number, since it uses as much as digits as its factorization.
230536247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 32.
The square root of 230536247 is about 15183.4201351342. The cubic root of 230536247 is about 613.1683639560.
The spelling of 230536247 in words is "two hundred thirty million, five hundred thirty-six thousand, two hundred forty-seven".
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