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7225625 = 54111051
BaseRepresentation
bin11011100100000100011001
3111121002200202
4123210010121
53322210000
6414511545
7115262651
oct33440431
914532622
107225625
1140957a0
1225055b5
13165cb24
14d61361
1597add5
hex6e4119

7225625 has 20 divisors (see below), whose sum is σ = 9859344. Its totient is φ = 5250000.

The previous prime is 7225607. The next prime is 7225651. The reversal of 7225625 is 5265227.

7225625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7225625 - 210 = 7224601 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6350 + ... + 7400.

Almost surely, 27225625 is an apocalyptic number.

It is an amenable number.

7225625 is a deficient number, since it is larger than the sum of its proper divisors (2633719).

7225625 is a wasteful number, since it uses less digits than its factorization.

7225625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1067 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 7225625 is about 2688.0522688370. The cubic root of 7225625 is about 193.3266859255.

It can be divided in two parts, 7225 and 625, that multiplied together give a square (4515625 = 21252).

The spelling of 7225625 in words is "seven million, two hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 625 1051 1375 5255 6875 11561 26275 57805 131375 289025 656875 1445125 7225625