Base | Representation |
---|---|
bin | 1101101110010… |
… | …00010000010001 |
3 | 22000121110010110 |
4 | 12313020100101 |
5 | 213432140100 |
6 | 15231151533 |
7 | 2565314214 |
oct | 667102021 |
9 | 260543113 |
10 | 115115025 |
11 | 59a85693 |
12 | 326755a9 |
13 | 1ab065cc |
14 | 1140777b |
15 | a18d250 |
hex | 6dc8411 |
115115025 has 24 divisors (see below), whose sum is σ = 190639584. Its totient is φ = 61292800.
The previous prime is 115114969. The next prime is 115115051. The reversal of 115115025 is 520511511.
It is not a de Polignac number, because 115115025 - 27 = 115114897 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 115114992 and 115115010.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72490 + ... + 74060.
It is an arithmetic number, because the mean of its divisors is an integer number (7943316).
Almost surely, 2115115025 is an apocalyptic number.
115115025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
115115025 is a deficient number, since it is larger than the sum of its proper divisors (75524559).
115115025 is a wasteful number, since it uses less digits than its factorization.
115115025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2561 (or 2556 counting only the distinct ones).
The product of its (nonzero) digits is 250, while the sum is 21.
The square root of 115115025 is about 10729.1670226537. The cubic root of 115115025 is about 486.4564924597.
Adding to 115115025 its reverse (520511511), we get a palindrome (635626536).
The spelling of 115115025 in words is "one hundred fifteen million, one hundred fifteen thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •