| Base | Representation |
|---|---|
| bin | 11011100110100… |
| … | …01010100110100 |
| 3 | 121010200122211000 |
| 4 | 31303101110310 |
| 5 | 433233402431 |
| 6 | 34550443300 |
| 7 | 5511043506 |
| oct | 1563212464 |
| 9 | 533618730 |
| 10 | 231544116 |
| 11 | 109778581 |
| 12 | 65663530 |
| 13 | 38c8006b |
| 14 | 22a73d76 |
| 15 | 154da9e6 |
| hex | dcd1534 |
231544116 has 48 divisors (see below), whose sum is σ = 606271680. Its totient is φ = 76413600.
The previous prime is 231544087. The next prime is 231544153. The reversal of 231544116 is 611445132.
It is a happy number.
231544116 is a `hidden beast` number, since 2 + 3 + 1 + 544 + 116 = 666.
231544116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2315441162 = 107225355308442912, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 231544116.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295 + ... + 21521.
It is an arithmetic number, because the mean of its divisors is an integer number (12630660).
Almost surely, 2231544116 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 231544116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303135840).
231544116 is an abundant number, since it is smaller than the sum of its proper divisors (374727564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231544116 is a wasteful number, since it uses less digits than its factorization.
231544116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21341 (or 21333 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 231544116 is about 15216.5737273540. The cubic root of 231544116 is about 614.0606241887.
Adding to 231544116 its reverse (611445132), we get a palindrome (842989248).
The spelling of 231544116 in words is "two hundred thirty-one million, five hundred forty-four thousand, one hundred sixteen".
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