Base | Representation |
---|---|
bin | 11010111000110… |
… | …00001101110001 |
3 | 120201101202212101 |
4 | 31130120031301 |
5 | 430214334100 |
6 | 34214100401 |
7 | 5406040561 |
oct | 1534301561 |
9 | 521352771 |
10 | 225543025 |
11 | 1063498a4 |
12 | 6364a701 |
13 | 3795b716 |
14 | 21d50da1 |
15 | 14c0286a |
hex | d718371 |
225543025 has 12 divisors (see below), whose sum is σ = 283216000. Its totient is φ = 178148880.
The previous prime is 225543023. The next prime is 225543049. The reversal of 225543025 is 520345522.
225543025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 225543025 - 21 = 225543023 is a prime.
It is a super-2 number, since 2×2255430252 = 101739312252301250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 225542984 and 225543002.
It is not an unprimeable number, because it can be changed into a prime (225543023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55125 + ... + 59074.
Almost surely, 2225543025 is an apocalyptic number.
225543025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
225543025 is a deficient number, since it is larger than the sum of its proper divisors (57672975).
225543025 is a wasteful number, since it uses less digits than its factorization.
225543025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114288 (or 114283 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 28.
The square root of 225543025 is about 15018.0899251536. The cubic root of 225543025 is about 608.7091083372.
Adding to 225543025 its reverse (520345522), we get a palindrome (745888547).
The spelling of 225543025 in words is "two hundred twenty-five million, five hundred forty-three thousand, twenty-five".
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