Base | Representation |
---|---|
bin | 1101101101110… |
… | …01011101010100 |
3 | 22000111100222211 |
4 | 12312321131110 |
5 | 213423220140 |
6 | 15230003204 |
7 | 2564642425 |
oct | 666713524 |
9 | 260440884 |
10 | 115054420 |
11 | 59a440a8 |
12 | 32646504 |
13 | 1aab4b50 |
14 | 113cd64c |
15 | a17a2ea |
hex | 6db9754 |
115054420 has 24 divisors (see below), whose sum is σ = 260200584. Its totient is φ = 42481536.
The previous prime is 115054417. The next prime is 115054421. The reversal of 115054420 is 24450511.
It can be written as a sum of positive squares in 4 ways, for example, as 9909904 + 105144516 = 3148^2 + 10254^2 .
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 115054391 and 115054400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115054421) 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, 220999 + ... + 221518.
It is an arithmetic number, because the mean of its divisors is an integer number (10841691).
Almost surely, 2115054420 is an apocalyptic number.
115054420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115054420 is an abundant number, since it is smaller than the sum of its proper divisors (145146164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115054420 is a wasteful number, since it uses less digits than its factorization.
115054420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442539 (or 442537 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 115054420 is about 10726.3423402388. The cubic root of 115054420 is about 486.3711086707.
The spelling of 115054420 in words is "one hundred fifteen million, fifty-four thousand, four hundred twenty".
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