Base | Representation |
---|---|
bin | 11011011111011… |
… | …11011001111011 |
3 | 121001221122110002 |
4 | 31233233121323 |
5 | 433014244442 |
6 | 34514543215 |
7 | 5500140602 |
oct | 1557573173 |
9 | 531848402 |
10 | 230618747 |
11 | 1091a6307 |
12 | 65297b0b |
13 | 38a17ac8 |
14 | 228b2a39 |
15 | 153a6732 |
hex | dbef67b |
230618747 has 2 divisors, whose sum is σ = 230618748. Its totient is φ = 230618746.
The previous prime is 230618671. The next prime is 230618749. The reversal of 230618747 is 747816032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230618747 - 224 = 213841531 is a prime.
Together with 230618749, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230618747.
It is not a weakly prime, because it can be changed into another prime (230618749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115309373 + 115309374.
It is an arithmetic number, because the mean of its divisors is an integer number (115309374).
Almost surely, 2230618747 is an apocalyptic number.
230618747 is a deficient number, since it is larger than the sum of its proper divisors (1).
230618747 is an equidigital number, since it uses as much as digits as its factorization.
230618747 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 230618747 is about 15186.1366713197. The cubic root of 230618747 is about 613.2414983077.
The spelling of 230618747 in words is "two hundred thirty million, six hundred eighteen thousand, seven hundred forty-seven".
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