Base | Representation |
---|---|
bin | 11011101010000… |
… | …11100111000111 |
3 | 121011120102221121 |
4 | 31311003213013 |
5 | 433343342411 |
6 | 35004454411 |
7 | 5515033333 |
oct | 1565034707 |
9 | 534512847 |
10 | 232012231 |
11 | 109a68250 |
12 | 6584a407 |
13 | 390b5159 |
14 | 22b567c3 |
15 | 1557e571 |
hex | dd439c7 |
232012231 has 16 divisors (see below), whose sum is σ = 257191200. Its totient is φ = 207539200.
The previous prime is 232012229. The next prime is 232012289. The reversal of 232012231 is 132210232.
It is not a de Polignac number, because 232012231 - 21 = 232012229 is a prime.
It is a super-2 number, since 2×2320122312 = 107659350667194722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232012331) 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, 262911 + ... + 263791.
It is an arithmetic number, because the mean of its divisors is an integer number (16074450).
Almost surely, 2232012231 is an apocalyptic number.
232012231 is a deficient number, since it is larger than the sum of its proper divisors (25178969).
232012231 is a wasteful number, since it uses less digits than its factorization.
232012231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1250.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 232012231 is about 15231.9477086813. The cubic root of 232012231 is about 614.4741630816.
Adding to 232012231 its reverse (132210232), we get a palindrome (364222463).
The spelling of 232012231 in words is "two hundred thirty-two million, twelve thousand, two hundred thirty-one".
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