Base | Representation |
---|---|
bin | 11011011100111… |
… | …01111101110101 |
3 | 121001022200212111 |
4 | 31232131331311 |
5 | 432423111143 |
6 | 34503451021 |
7 | 5464251226 |
oct | 1556357565 |
9 | 531280774 |
10 | 230285173 |
11 | 108a98728 |
12 | 65156a71 |
13 | 3892c021 |
14 | 2282724d |
15 | 1533c99d |
hex | db9df75 |
230285173 has 2 divisors, whose sum is σ = 230285174. Its totient is φ = 230285172.
The previous prime is 230285161. The next prime is 230285197. The reversal of 230285173 is 371582032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 221950404 + 8334769 = 14898^2 + 2887^2 .
It is a cyclic number.
It is not a de Polignac number, because 230285173 - 29 = 230284661 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230285113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115142586 + 115142587.
It is an arithmetic number, because the mean of its divisors is an integer number (115142587).
Almost surely, 2230285173 is an apocalyptic number.
It is an amenable number.
230285173 is a deficient number, since it is larger than the sum of its proper divisors (1).
230285173 is an equidigital number, since it uses as much as digits as its factorization.
230285173 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 230285173 is about 15175.1498509899. The cubic root of 230285173 is about 612.9456852259.
The spelling of 230285173 in words is "two hundred thirty million, two hundred eighty-five thousand, one hundred seventy-three".
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