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8265625 = 56232
BaseRepresentation
bin11111100001111110011001
3120112221022021
4133201332121
54104000000
6453054441
7130154014
oct37417631
916487267
108265625
1147360a5
122927421
131935304
14115237b
15ad411a
hex7e1f99

8265625 has 21 divisors (see below), whose sum is σ = 10800643. Its totient is φ = 6325000.

The previous prime is 8265619. The next prime is 8265629. The reversal of 8265625 is 5265628.

The square root of 8265625 is 2875.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 7241481 + 1024144 = 2691^2 + 1012^2 .

It is not a de Polignac number, because 8265625 - 23 = 8265617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8265629) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 359364 + ... + 359386.

Almost surely, 28265625 is an apocalyptic number.

8265625 is the 2875-th square number.

8265625 is the 1438-th centered octagonal number.

It is an amenable number.

8265625 is a deficient number, since it is larger than the sum of its proper divisors (2535018).

8265625 is an frugal number, since it uses more digits than its factorization.

8265625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 28 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The cubic root of 8265625 is about 202.1894849773.

The spelling of 8265625 in words is "eight million, two hundred sixty-five thousand, six hundred twenty-five".

Divisors: 1 5 23 25 115 125 529 575 625 2645 2875 3125 13225 14375 15625 66125 71875 330625 359375 1653125 8265625