Base | Representation |
---|---|
bin | 11011100010101… |
… | …10100011010001 |
3 | 121002202002222201 |
4 | 31301112203101 |
5 | 433121304413 |
6 | 34532003201 |
7 | 5503550413 |
oct | 1561264321 |
9 | 532662881 |
10 | 231041233 |
11 | 109464775 |
12 | 65460501 |
13 | 38b351b7 |
14 | 229829b3 |
15 | 1543b9dd |
hex | dc568d1 |
231041233 has 16 divisors (see below), whose sum is σ = 250048512. Its totient is φ = 212850000.
The previous prime is 231041177. The next prime is 231041243. The reversal of 231041233 is 332140132.
231041233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 231041233 - 225 = 197486801 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 231041233.
It is not an unprimeable number, because it can be changed into a prime (231041243) 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, 178318 + ... + 179608.
It is an arithmetic number, because the mean of its divisors is an integer number (15628032).
Almost surely, 2231041233 is an apocalyptic number.
231041233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
231041233 is a deficient number, since it is larger than the sum of its proper divisors (19007279).
231041233 is a wasteful number, since it uses less digits than its factorization.
231041233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1596.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 231041233 is about 15200.0405591564. The cubic root of 231041233 is about 613.6157493166.
Adding to 231041233 its reverse (332140132), we get a palindrome (563181365).
The spelling of 231041233 in words is "two hundred thirty-one million, forty-one thousand, two hundred thirty-three".
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