Base | Representation |
---|---|
bin | 1101101110001… |
… | …01100100101010 |
3 | 22000120220001200 |
4 | 12313011210222 |
5 | 213431312132 |
6 | 15231025030 |
7 | 2565240204 |
oct | 667054452 |
9 | 260526050 |
10 | 115104042 |
11 | 59a78409 |
12 | 3266b176 |
13 | 1ab01601 |
14 | 11403774 |
15 | a189d7c |
hex | 6dc592a |
115104042 has 48 divisors (see below), whose sum is σ = 265566600. Its totient is φ = 35905536.
The previous prime is 115104007. The next prime is 115104047. The reversal of 115104042 is 240401511.
It can be written as a sum of positive squares in 4 ways, for example, as 109809441 + 5294601 = 10479^2 + 2301^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (115104047) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58084 + ... + 60032.
Almost surely, 2115104042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 115104042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132783300).
115104042 is an abundant number, since it is smaller than the sum of its proper divisors (150462558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115104042 is a wasteful number, since it uses less digits than its factorization.
115104042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2167 (or 2164 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 115104042 is about 10728.6551813356. The cubic root of 115104042 is about 486.4410212051.
Adding to 115104042 its reverse (240401511), we get a palindrome (355505553).
The spelling of 115104042 in words is "one hundred fifteen million, one hundred four thousand, forty-two".
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