Base | Representation |
---|---|
bin | 1101101101101… |
… | …10011101001000 |
3 | 22000110202010021 |
4 | 12312312131020 |
5 | 213422321440 |
6 | 15225430224 |
7 | 2564561524 |
oct | 666663510 |
9 | 260422107 |
10 | 115042120 |
11 | 59a35936 |
12 | 3263b374 |
13 | 1aaac37b |
14 | 113c8d84 |
15 | a17684a |
hex | 6db6748 |
115042120 has 32 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 45585088.
The previous prime is 115042079. The next prime is 115042121. The reversal of 115042120 is 21240511.
It is a junction number, because it is equal to n+sod(n) for n = 115042094 and 115042103.
It is not an unprimeable number, because it can be changed into a prime (115042121) 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, 9160 + ... + 17719.
It is an arithmetic number, because the mean of its divisors is an integer number (8164800).
Almost surely, 2115042120 is an apocalyptic number.
115042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115042120 is an abundant number, since it is smaller than the sum of its proper divisors (146231480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115042120 is a wasteful number, since it uses less digits than its factorization.
115042120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26997 (or 26993 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 115042120 is about 10725.7689701019. The cubic root of 115042120 is about 486.3537760674.
Adding to 115042120 its reverse (21240511), we get a palindrome (136282631).
The spelling of 115042120 in words is "one hundred fifteen million, forty-two thousand, one hundred twenty".
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