Base | Representation |
---|---|
bin | 1101110011100… |
… | …00110100001111 |
3 | 22001220112012221 |
4 | 12321300310033 |
5 | 214121233310 |
6 | 15254040211 |
7 | 2604221143 |
oct | 671606417 |
9 | 261815187 |
10 | 115805455 |
11 | 5a407397 |
12 | 32949067 |
13 | 1acb894c |
14 | 11547223 |
15 | a277ada |
hex | 6e70d0f |
115805455 has 4 divisors (see below), whose sum is σ = 138966552. Its totient is φ = 92644360.
The previous prime is 115805453. The next prime is 115805467. The reversal of 115805455 is 554508511.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554508511 = 73 ⋅7596007.
It is not a de Polignac number, because 115805455 - 21 = 115805453 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 115805455.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115805453) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11580541 + ... + 11580550.
It is an arithmetic number, because the mean of its divisors is an integer number (34741638).
Almost surely, 2115805455 is an apocalyptic number.
115805455 is a deficient number, since it is larger than the sum of its proper divisors (23161097).
115805455 is an equidigital number, since it uses as much as digits as its factorization.
115805455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23161096.
The product of its (nonzero) digits is 20000, while the sum is 34.
The square root of 115805455 is about 10761.2942994790. The cubic root of 115805455 is about 487.4271010872.
The spelling of 115805455 in words is "one hundred fifteen million, eight hundred five thousand, four hundred fifty-five".
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