Base | Representation |
---|---|
bin | 1101101111001… |
… | …11100110111111 |
3 | 22000211222022010 |
4 | 12313213212333 |
5 | 214000242310 |
6 | 15234022303 |
7 | 2566360515 |
oct | 667474677 |
9 | 260758263 |
10 | 115243455 |
11 | 5a063128 |
12 | 32717993 |
13 | 1ab4cbc2 |
14 | 1143c4b5 |
15 | a1b6320 |
hex | 6de79bf |
115243455 has 32 divisors (see below), whose sum is σ = 202544640. Its totient is φ = 55693440.
The previous prime is 115243423. The next prime is 115243463. The reversal of 115243455 is 554342511.
It is not a de Polignac number, because 115243455 - 25 = 115243423 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2236 + ... + 15345.
It is an arithmetic number, because the mean of its divisors is an integer number (6329520).
Almost surely, 2115243455 is an apocalyptic number.
115243455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
115243455 is a deficient number, since it is larger than the sum of its proper divisors (87301185).
115243455 is a wasteful number, since it uses less digits than its factorization.
115243455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17631.
The product of its digits is 12000, while the sum is 30.
The square root of 115243455 is about 10735.1504414237. The cubic root of 115243455 is about 486.6373329935.
Adding to 115243455 its reverse (554342511), we get a palindrome (669585966).
The spelling of 115243455 in words is "one hundred fifteen million, two hundred forty-three thousand, four hundred fifty-five".
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