Base | Representation |
---|---|
bin | 11011110011011… |
… | …00111100110011 |
3 | 121020212022121000 |
4 | 31321230330303 |
5 | 434201331011 |
6 | 35050533043 |
7 | 5531265141 |
oct | 1571547463 |
9 | 536768530 |
10 | 233230131 |
11 | 10a71a282 |
12 | 66137183 |
13 | 394205c4 |
14 | 22d92591 |
15 | 15720356 |
hex | de6cf33 |
233230131 has 16 divisors (see below), whose sum is σ = 345761920. Its totient is φ = 155380680.
The previous prime is 233230103. The next prime is 233230133. The reversal of 233230131 is 131032332.
233230131 is a `hidden beast` number, since 2 + 332 + 301 + 31 = 666.
It is not a de Polignac number, because 233230131 - 222 = 229035827 is a prime.
It is a super-2 number, since 2×2332301312 = 108792588012554322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (233230133) 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, 72156 + ... + 75318.
It is an arithmetic number, because the mean of its divisors is an integer number (21610120).
Almost surely, 2233230131 is an apocalyptic number.
233230131 is a deficient number, since it is larger than the sum of its proper divisors (112531789).
233230131 is a wasteful number, since it uses less digits than its factorization.
233230131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5903 (or 5897 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 233230131 is about 15271.8738535911. The cubic root of 233230131 is about 615.5474720445.
Adding to 233230131 its reverse (131032332), we get a palindrome (364262463).
It can be divided in two parts, 2332301 and 31, that added together give a palindrome (2332332).
The spelling of 233230131 in words is "two hundred thirty-three million, two hundred thirty thousand, one hundred thirty-one".
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