Base | Representation |
---|---|
bin | 11011011110110… |
… | …10100010000001 |
3 | 121001210022011111 |
4 | 31233122202001 |
5 | 433004030444 |
6 | 34513043321 |
7 | 5466333412 |
oct | 1557324201 |
9 | 531708144 |
10 | 230533249 |
11 | 109148051 |
12 | 65256541 |
13 | 389b7c0b |
14 | 2288d809 |
15 | 1538b234 |
hex | dbda881 |
230533249 has 2 divisors, whose sum is σ = 230533250. Its totient is φ = 230533248.
The previous prime is 230533223. The next prime is 230533309. The reversal of 230533249 is 942335032.
230533249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 155451024 + 75082225 = 12468^2 + 8665^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230533249 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230533249.
It is not a weakly prime, because it can be changed into another prime (230539249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115266624 + 115266625.
It is an arithmetic number, because the mean of its divisors is an integer number (115266625).
Almost surely, 2230533249 is an apocalyptic number.
It is an amenable number.
230533249 is a deficient number, since it is larger than the sum of its proper divisors (1).
230533249 is an equidigital number, since it uses as much as digits as its factorization.
230533249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19440, while the sum is 31.
The square root of 230533249 is about 15183.3214087037. The cubic root of 230533249 is about 613.1657059695.
The spelling of 230533249 in words is "two hundred thirty million, five hundred thirty-three thousand, two hundred forty-nine".
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