Base | Representation |
---|---|
bin | 100110001111… |
… | …1000100110001 |
3 | 1101201122201221 |
4 | 1030133010301 |
5 | 20113101400 |
6 | 1553425041 |
7 | 332265316 |
oct | 114370461 |
9 | 41648657 |
10 | 20050225 |
11 | 10355038 |
12 | 686b181 |
13 | 4200250 |
14 | 293cd0d |
15 | 1b60c1a |
hex | 131f131 |
20050225 has 48 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 13132800.
The previous prime is 20050213. The next prime is 20050241. The reversal of 20050225 is 52205002.
20050225 is nontrivially palindromic in base 16.
It is not a de Polignac number, because 20050225 - 27 = 20050097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20050199 and 20050208.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104880 + ... + 105070.
It is an arithmetic number, because the mean of its divisors is an integer number (624960).
Almost surely, 220050225 is an apocalyptic number.
20050225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20050225 is a deficient number, since it is larger than the sum of its proper divisors (9947855).
20050225 is a wasteful number, since it uses less digits than its factorization.
20050225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250 (or 245 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 16.
The square root of 20050225 is about 4477.7477597560. The cubic root of 20050225 is about 271.6687910975.
Adding to 20050225 its reverse (52205002), we get a palindrome (72255227).
The spelling of 20050225 in words is "twenty million, fifty thousand, two hundred twenty-five".
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