Base | Representation |
---|---|
bin | 11011100011001… |
… | …01111110110001 |
3 | 121002212022200110 |
4 | 31301211332301 |
5 | 433130320213 |
6 | 34533211533 |
7 | 5504232600 |
oct | 1561457661 |
9 | 532768613 |
10 | 231104433 |
11 | 1094a81aa |
12 | 65490ba9 |
13 | 38b57bb1 |
14 | 2299ba37 |
15 | 154505c3 |
hex | dc65fb1 |
231104433 has 24 divisors (see below), whose sum is σ = 365223168. Its totient is φ = 129563616.
The previous prime is 231104369. The next prime is 231104441. The reversal of 231104433 is 334401132.
It is not a de Polignac number, because 231104433 - 26 = 231104369 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (231104033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7041 + ... + 22622.
It is an arithmetic number, because the mean of its divisors is an integer number (15217632).
Almost surely, 2231104433 is an apocalyptic number.
It is an amenable number.
231104433 is a deficient number, since it is larger than the sum of its proper divisors (134118735).
231104433 is a wasteful number, since it uses less digits than its factorization.
231104433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29733 (or 29726 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 231104433 is about 15202.1193588263. The cubic root of 231104433 is about 613.6716945683.
Adding to 231104433 its reverse (334401132), we get a palindrome (565505565).
The spelling of 231104433 in words is "two hundred thirty-one million, one hundred four thousand, four hundred thirty-three".
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