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8582225 = 52343289
BaseRepresentation
bin100000101111…
…010001010001
3121011000121012
4200233101101
54144112400
6503540305
7132643031
oct40572121
917130535
108582225
114931a53
122a5a695
131a16452
1411d58c1
15b47d35
hex82f451

8582225 has 6 divisors (see below), whose sum is σ = 10641990. Its totient is φ = 6865760.

The previous prime is 8582221. The next prime is 8582293. The reversal of 8582225 is 5222858.

8582225 = 20712 + 20722.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1982464 + 6599761 = 1408^2 + 2569^2 .

It is not a de Polignac number, because 8582225 - 22 = 8582221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8582191 and 8582200.

It is not an unprimeable number, because it can be changed into a prime (8582221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171620 + ... + 171669.

It is an arithmetic number, because the mean of its divisors is an integer number (1773665).

Almost surely, 28582225 is an apocalyptic number.

8582225 is the 2072-nd centered square number.

It is an amenable number.

8582225 is a deficient number, since it is larger than the sum of its proper divisors (2059765).

8582225 is a wasteful number, since it uses less digits than its factorization.

8582225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343299 (or 343294 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 8582225 is about 2929.5434797934. The cubic root of 8582225 is about 204.7387113282.

The spelling of 8582225 in words is "eight million, five hundred eighty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 343289 1716445 8582225