Base | Representation |
---|---|
bin | 11011100101001… |
… | …01000010111001 |
3 | 121010100110000120 |
4 | 31302211002321 |
5 | 433212101440 |
6 | 34542523453 |
7 | 5506356645 |
oct | 1562450271 |
9 | 533313016 |
10 | 231362745 |
11 | 109664289 |
12 | 65596589 |
13 | 38c18643 |
14 | 22a27c25 |
15 | 154a1dd0 |
hex | dca50b9 |
231362745 has 16 divisors (see below), whose sum is σ = 370464192. Its totient is φ = 123298880.
The previous prime is 231362743. The next prime is 231362771. The reversal of 231362745 is 547263132.
231362745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 231362745 - 21 = 231362743 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (231362743) 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, 17230 + ... + 27560.
It is an arithmetic number, because the mean of its divisors is an integer number (23154012).
Almost surely, 2231362745 is an apocalyptic number.
It is an amenable number.
231362745 is a deficient number, since it is larger than the sum of its proper divisors (139101447).
231362745 is a wasteful number, since it uses less digits than its factorization.
231362745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11832.
The product of its digits is 30240, while the sum is 33.
The square root of 231362745 is about 15210.6129067832. The cubic root of 231362745 is about 613.9002488732.
The spelling of 231362745 in words is "two hundred thirty-one million, three hundred sixty-two thousand, seven hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •