Base | Representation |
---|---|
bin | 1101101110010… |
… | …00000100000000 |
3 | 22000121102001101 |
4 | 12313020010000 |
5 | 213432123430 |
6 | 15231144144 |
7 | 2565312013 |
oct | 667100400 |
9 | 260542041 |
10 | 115114240 |
11 | 59a8503a |
12 | 32675054 |
13 | 1ab06147 |
14 | 1140737a |
15 | a18cdca |
hex | 6dc8100 |
115114240 has 72 divisors (see below), whose sum is σ = 278147520. Its totient is φ = 45643776.
The previous prime is 115114229. The next prime is 115114247. The reversal of 115114240 is 42411511.
It is not an unprimeable number, because it can be changed into a prime (115114247) 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, 177597 + ... + 178243.
It is an arithmetic number, because the mean of its divisors is an integer number (3863160).
Almost surely, 2115114240 is an apocalyptic number.
115114240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 115114240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139073760).
115114240 is an abundant number, since it is smaller than the sum of its proper divisors (163033280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115114240 is an equidigital number, since it uses as much as digits as its factorization.
115114240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 807 (or 793 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 115114240 is about 10729.1304400683. The cubic root of 115114240 is about 486.4553866984.
Adding to 115114240 its reverse (42411511), we get a palindrome (157525751).
It can be divided in two parts, 11511 and 4240, that added together give a palindrome (15751).
The spelling of 115114240 in words is "one hundred fifteen million, one hundred fourteen thousand, two hundred forty".
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