Base | Representation |
---|---|
bin | 11011011100111… |
… | …01110101110001 |
3 | 121001022200011101 |
4 | 31232131311301 |
5 | 432423102112 |
6 | 34503444401 |
7 | 5464246561 |
oct | 1556356561 |
9 | 531280141 |
10 | 230284657 |
11 | 108a982a9 |
12 | 65156701 |
13 | 3892ba15 |
14 | 22826da1 |
15 | 1533c757 |
hex | db9dd71 |
230284657 has 2 divisors, whose sum is σ = 230284658. Its totient is φ = 230284656.
The previous prime is 230284643. The next prime is 230284661. The reversal of 230284657 is 756482032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 190329616 + 39955041 = 13796^2 + 6321^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230284657 is a prime.
It is not a weakly prime, because it can be changed into another prime (230284667) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115142328 + 115142329.
It is an arithmetic number, because the mean of its divisors is an integer number (115142329).
Almost surely, 2230284657 is an apocalyptic number.
It is an amenable number.
230284657 is a deficient number, since it is larger than the sum of its proper divisors (1).
230284657 is an equidigital number, since it uses as much as digits as its factorization.
230284657 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80640, while the sum is 37.
The square root of 230284657 is about 15175.1328495009. The cubic root of 230284657 is about 612.9452274164.
The spelling of 230284657 in words is "two hundred thirty million, two hundred eighty-four thousand, six hundred fifty-seven".
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