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2828525 = 52722309
BaseRepresentation
bin1010110010100011101101
312022201000012
422302203231
51211003100
6140343005
733020300
oct12624355
95281005
102828525
111662127
12b44a65
137805ab
14538b37
153ad135
hex2b28ed

2828525 has 18 divisors (see below), whose sum is σ = 4081770. Its totient is φ = 1938720.

The previous prime is 2828521. The next prime is 2828543. The reversal of 2828525 is 5258282.

2828525 = 9702 + 9712 + 9722.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 499849 + 2328676 = 707^2 + 1526^2 .

It is not a de Polignac number, because 2828525 - 22 = 2828521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2828491 and 2828500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (226765).

22828525 is an apocalyptic number.

2828525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2828525 is a deficient number, since it is larger than the sum of its proper divisors (1253245).

2828525 is a wasteful number, since it uses less digits than its factorization.

2828525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2321 counting only the distinct ones).

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

The square root of 2828525 is about 1681.8219287428. The cubic root of 2828525 is about 141.4229874727.

The spelling of 2828525 in words is "two million, eight hundred twenty-eight thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 2309 11545 16163 57725 80815 113141 404075 565705 2828525