Base | Representation |
---|---|
bin | 11011011011101… |
… | …00000100010101 |
3 | 121000222222110100 |
4 | 31231310010111 |
5 | 432402113212 |
6 | 34500044313 |
7 | 5462635002 |
oct | 1555640425 |
9 | 530888410 |
10 | 230113557 |
11 | 1089907a3 |
12 | 65093699 |
13 | 3889bb8b |
14 | 227c08a9 |
15 | 15306bdc |
hex | db74115 |
230113557 has 12 divisors (see below), whose sum is σ = 334814220. Its totient is φ = 152288448.
The previous prime is 230113519. The next prime is 230113561. The reversal of 230113557 is 755311032.
230113557 is a `hidden beast` number, since 2 + 301 + 1 + 355 + 7 = 666.
230113557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 90897156 + 139216401 = 9534^2 + 11799^2 .
It is not a de Polignac number, because 230113557 - 26 = 230113493 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230113557.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230113567) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92082 + ... + 94547.
It is an arithmetic number, because the mean of its divisors is an integer number (27901185).
Almost surely, 2230113557 is an apocalyptic number.
It is an amenable number.
230113557 is a deficient number, since it is larger than the sum of its proper divisors (104700663).
230113557 is a wasteful number, since it uses less digits than its factorization.
230113557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186772 (or 186769 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 27.
The square root of 230113557 is about 15169.4942895273. The cubic root of 230113557 is about 612.7933850339.
Adding to 230113557 its reverse (755311032), we get a palindrome (985424589).
The spelling of 230113557 in words is "two hundred thirty million, one hundred thirteen thousand, five hundred fifty-seven".
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