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225676625 = 531805413
BaseRepresentation
bin11010111001110…
…00110101010001
3120201122120010112
431130320311101
5430233123000
634221011105
75410135226
oct1534706521
9521576115
10225676625
11106430209
12636b3a95
13379a7485
1421d8794d
1514c2c235
hexd738d51

225676625 has 8 divisors (see below), whose sum is σ = 281644584. Its totient is φ = 180541200.

The previous prime is 225676613. The next prime is 225676631. The reversal of 225676625 is 526676522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4946176 + 220730449 = 2224^2 + 14857^2 .

It is not a de Polignac number, because 225676625 - 214 = 225660241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902582 + ... + 902831.

It is an arithmetic number, because the mean of its divisors is an integer number (35205573).

Almost surely, 2225676625 is an apocalyptic number.

225676625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225676625 is a deficient number, since it is larger than the sum of its proper divisors (55967959).

225676625 is an equidigital number, since it uses as much as digits as its factorization.

225676625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805428 (or 1805418 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 225676625 is about 15022.5372357668. The cubic root of 225676625 is about 608.8292738575.

It can be divided in two parts, 22567 and 6625, that added together give a palindrome (29192).

The spelling of 225676625 in words is "two hundred twenty-five million, six hundred seventy-six thousand, six hundred twenty-five".

Divisors: 1 5 25 125 1805413 9027065 45135325 225676625