Search a number
-
+
556207225 = 5273178327
BaseRepresentation
bin100001001001110…
…000110001111001
31102202121020212121
4201021300301321
52114342112400
6131105241241
716532453260
oct4111606171
91382536777
10556207225
11265a677a2
12136333221
138b304902
1453c275d7
1533c6c21a
hex21270c79

556207225 has 12 divisors (see below), whose sum is σ = 788225344. Its totient is φ = 381399120.

The previous prime is 556207213. The next prime is 556207231. The reversal of 556207225 is 522702655.

It is not a de Polignac number, because 556207225 - 227 = 421989497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588989 + ... + 1589338.

Almost surely, 2556207225 is an apocalyptic number.

It is an amenable number.

556207225 is a deficient number, since it is larger than the sum of its proper divisors (232018119).

556207225 is a wasteful number, since it uses less digits than its factorization.

556207225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178344 (or 3178339 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 556207225 is about 23584.0459845210. The cubic root of 556207225 is about 822.3919968557.

The spelling of 556207225 in words is "five hundred fifty-six million, two hundred seven thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 3178327 15891635 22248289 79458175 111241445 556207225