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556925 = 5222277
BaseRepresentation
bin10000111111101111101
31001021221212
42013331331
5120310200
615534205
74506455
oct2077575
91037855
10556925
11350476
1222a365
13166655
14106d65
15b0035
hex87f7d

556925 has 6 divisors (see below), whose sum is σ = 690618. Its totient is φ = 445520.

The previous prime is 556891. The next prime is 556931. The reversal of 556925 is 529655.

It can be written as a sum of positive squares in 3 ways, for example, as 98596 + 458329 = 314^2 + 677^2 .

It is not a de Polignac number, because 556925 - 26 = 556861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556891 and 556900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11114 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (115103).

2556925 is an apocalyptic number.

It is an amenable number.

556925 is a deficient number, since it is larger than the sum of its proper divisors (133693).

556925 is a wasteful number, since it uses less digits than its factorization.

556925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22287 (or 22282 counting only the distinct ones).

The product of its digits is 13500, while the sum is 32.

The square root of 556925 is about 746.2740783385. The cubic root of 556925 is about 82.2745605277.

The spelling of 556925 in words is "five hundred fifty-six thousand, nine hundred twenty-five".

Divisors: 1 5 25 22277 111385 556925