Base | Representation |
---|---|
bin | 11011100001100… |
… | …00100100001111 |
3 | 121002110012120021 |
4 | 31300300210033 |
5 | 433101320042 |
6 | 34524403011 |
7 | 5502331666 |
oct | 1560604417 |
9 | 532405507 |
10 | 230885647 |
11 | 109368893 |
12 | 653a6467 |
13 | 38aac435 |
14 | 22941ddd |
15 | 1540a867 |
hex | dc3090f |
230885647 has 2 divisors, whose sum is σ = 230885648. Its totient is φ = 230885646.
The previous prime is 230885639. The next prime is 230885657. The reversal of 230885647 is 746588032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230885647 - 23 = 230885639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230885657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115442823 + 115442824.
It is an arithmetic number, because the mean of its divisors is an integer number (115442824).
Almost surely, 2230885647 is an apocalyptic number.
230885647 is a deficient number, since it is larger than the sum of its proper divisors (1).
230885647 is an equidigital number, since it uses as much as digits as its factorization.
230885647 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 322560, while the sum is 43.
The square root of 230885647 is about 15194.9217503744. The cubic root of 230885647 is about 613.4779795961.
The spelling of 230885647 in words is "two hundred thirty million, eight hundred eighty-five thousand, six hundred forty-seven".
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