Base | Representation |
---|---|
bin | 11011100100111… |
… | …01100100000111 |
3 | 121010021212222200 |
4 | 31302131210013 |
5 | 433210111403 |
6 | 34542125543 |
7 | 5506201422 |
oct | 1562354407 |
9 | 533255880 |
10 | 231332103 |
11 | 109643262 |
12 | 655808b3 |
13 | 38c07702 |
14 | 22a1a9b9 |
15 | 15497ca3 |
hex | dc9d907 |
231332103 has 24 divisors (see below), whose sum is σ = 344013696. Its totient is φ = 149688000.
The previous prime is 231332089. The next prime is 231332149. The reversal of 231332103 is 301233132.
231332103 is a `hidden beast` number, since 231 + 332 + 103 = 666.
It is a de Polignac number, because none of the positive numbers 2k-231332103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231332503) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232938 + ... + 233928.
It is an arithmetic number, because the mean of its divisors is an integer number (14333904).
Almost surely, 2231332103 is an apocalyptic number.
231332103 is a deficient number, since it is larger than the sum of its proper divisors (112681593).
231332103 is a wasteful number, since it uses less digits than its factorization.
231332103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1735 (or 1732 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 231332103 is about 15209.6056161887. The cubic root of 231332103 is about 613.8731457456.
Adding to 231332103 its reverse (301233132), we get a palindrome (532565235).
The spelling of 231332103 in words is "two hundred thirty-one million, three hundred thirty-two thousand, one hundred three".
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