Base | Representation |
---|---|
bin | 1101101110011… |
… | …11011001100000 |
3 | 22000122221021021 |
4 | 12313033121200 |
5 | 213434104123 |
6 | 15231535224 |
7 | 2565465430 |
oct | 667173140 |
9 | 260587237 |
10 | 115144288 |
11 | 59aa5676 |
12 | 3268a514 |
13 | 1ab16a1c |
14 | 114142c0 |
15 | a196c5d |
hex | 6dcf660 |
115144288 has 48 divisors (see below), whose sum is σ = 261424800. Its totient is φ = 48900096.
The previous prime is 115144283. The next prime is 115144291. The reversal of 115144288 is 882441511.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115144283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23038 + ... + 27586.
It is an arithmetic number, because the mean of its divisors is an integer number (5446350).
Almost surely, 2115144288 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 115144288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130712400).
115144288 is an abundant number, since it is smaller than the sum of its proper divisors (146280512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115144288 is a wasteful number, since it uses less digits than its factorization.
115144288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4679 (or 4671 counting only the distinct ones).
The product of its digits is 10240, while the sum is 34.
The square root of 115144288 is about 10730.5306485747. The cubic root of 115144288 is about 486.4977091189.
Adding to 115144288 its reverse (882441511), we get a palindrome (997585799).
The spelling of 115144288 in words is "one hundred fifteen million, one hundred forty-four thousand, two hundred eighty-eight".
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