Base | Representation |
---|---|
bin | 11011100010101… |
… | …10100001100000 |
3 | 121002202002211112 |
4 | 31301112201200 |
5 | 433121303440 |
6 | 34532002452 |
7 | 5503550162 |
oct | 1561264140 |
9 | 532662745 |
10 | 231041120 |
11 | 109464682 |
12 | 65460428 |
13 | 38b3512b |
14 | 22982932 |
15 | 1543b965 |
hex | dc56860 |
231041120 has 24 divisors (see below), whose sum is σ = 545835024. Its totient is φ = 92416384.
The previous prime is 231041119. The next prime is 231041123. The reversal of 231041120 is 21140132.
It is a junction number, because it is equal to n+sod(n) for n = 231041095 and 231041104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231041123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721844 + ... + 722163.
It is an arithmetic number, because the mean of its divisors is an integer number (22743126).
Almost surely, 2231041120 is an apocalyptic number.
231041120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231041120 is an abundant number, since it is smaller than the sum of its proper divisors (314793904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231041120 is a wasteful number, since it uses less digits than its factorization.
231041120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1444022 (or 1444014 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 231041120 is about 15200.0368420606. The cubic root of 231041120 is about 613.6156492787.
Adding to 231041120 its reverse (21140132), we get a palindrome (252181252).
The spelling of 231041120 in words is "two hundred thirty-one million, forty-one thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •