Base | Representation |
---|---|
bin | 10111110110110… |
… | …00011001110001 |
3 | 111221112221022020 |
4 | 23323120121301 |
5 | 402212201300 |
6 | 31505102053 |
7 | 4646646030 |
oct | 1373303161 |
9 | 457487266 |
10 | 200115825 |
11 | a2a61a88 |
12 | 57027929 |
13 | 325c7c40 |
14 | 1c812717 |
15 | 1287d8a0 |
hex | bed8671 |
200115825 has 96 divisors (see below), whose sum is σ = 412473600. Its totient is φ = 83358720.
The previous prime is 200115803. The next prime is 200115827. The reversal of 200115825 is 528511002.
It is not a de Polignac number, because 200115825 - 26 = 200115761 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 200115795 and 200115804.
It is not an unprimeable number, because it can be changed into a prime (200115827) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 743791 + ... + 744059.
It is an arithmetic number, because the mean of its divisors is an integer number (4296600).
Almost surely, 2200115825 is an apocalyptic number.
200115825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200115825 is an abundant number, since it is smaller than the sum of its proper divisors (212357775).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200115825 is a wasteful number, since it uses less digits than its factorization.
200115825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411 (or 406 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 24.
The square root of 200115825 is about 14146.2300631652. The cubic root of 200115825 is about 584.9164173083.
Adding to 200115825 its reverse (528511002), we get a palindrome (728626827).
The spelling of 200115825 in words is "two hundred million, one hundred fifteen thousand, eight hundred twenty-five".
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