Base | Representation |
---|---|
bin | 11011100101100… |
… | …00111100000000 |
3 | 121010102220211200 |
4 | 31302300330000 |
5 | 433220131311 |
6 | 34543541200 |
7 | 5506651653 |
oct | 1562607400 |
9 | 533386750 |
10 | 231411456 |
11 | 109697941 |
12 | 655ba800 |
13 | 38c34873 |
14 | 22a3b89a |
15 | 154b1556 |
hex | dcb0f00 |
231411456 has 108 divisors (see below), whose sum is σ = 681731232. Its totient is φ = 75460608.
The previous prime is 231411451. The next prime is 231411493. The reversal of 231411456 is 654114132.
It is a happy number.
231411456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231411451) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107220 + ... + 109356.
Almost surely, 2231411456 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231411456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340865616).
231411456 is an abundant number, since it is smaller than the sum of its proper divisors (450319776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231411456 is a wasteful number, since it uses less digits than its factorization.
231411456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2206 (or 2189 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 231411456 is about 15212.2140400403. The cubic root of 231411456 is about 613.9433292700.
Adding to 231411456 its reverse (654114132), we get a palindrome (885525588).
The spelling of 231411456 in words is "two hundred thirty-one million, four hundred eleven thousand, four hundred fifty-six".
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