Base | Representation |
---|---|
bin | 11011011101110… |
… | …10110100010001 |
3 | 121001112200222020 |
4 | 31232322310101 |
5 | 432440401340 |
6 | 34510202053 |
7 | 5465252604 |
oct | 1556726421 |
9 | 531480866 |
10 | 230403345 |
11 | 109069497 |
12 | 651b3329 |
13 | 38970a53 |
14 | 2285833b |
15 | 153629d0 |
hex | dbbad11 |
230403345 has 16 divisors (see below), whose sum is σ = 368881152. Its totient is φ = 122803200.
The previous prime is 230403343. The next prime is 230403359. The reversal of 230403345 is 543304032.
It is not a de Polignac number, because 230403345 - 21 = 230403343 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (230403343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25329 + ... + 33201.
It is an arithmetic number, because the mean of its divisors is an integer number (23055072).
Almost surely, 2230403345 is an apocalyptic number.
It is an amenable number.
230403345 is a deficient number, since it is larger than the sum of its proper divisors (138477807).
230403345 is a wasteful number, since it uses less digits than its factorization.
230403345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9832.
The product of its (nonzero) digits is 4320, while the sum is 24.
The square root of 230403345 is about 15179.0429540205. The cubic root of 230403345 is about 613.0505126887.
Adding to 230403345 its reverse (543304032), we get a palindrome (773707377).
The spelling of 230403345 in words is "two hundred thirty million, four hundred three thousand, three hundred forty-five".
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