Search a number
-
+
225543025 = 5279114199
BaseRepresentation
bin11010111000110…
…00001101110001
3120201101202212101
431130120031301
5430214334100
634214100401
75406040561
oct1534301561
9521352771
10225543025
111063498a4
126364a701
133795b716
1421d50da1
1514c0286a
hexd718371

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".

Divisors: 1 5 25 79 395 1975 114199 570995 2854975 9021721 45108605 225543025