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2528225 = 52714447
BaseRepresentation
bin1001101001001111100001
311202110001222
421221033201
51121400400
6130104425
730326630
oct11511741
94673058
102528225
111477547
12a1b115
136a69bb
1449b517
1534e185
hex2693e1

2528225 has 12 divisors (see below), whose sum is σ = 3583104. Its totient is φ = 1733520.

The previous prime is 2528221. The next prime is 2528231. The reversal of 2528225 is 5228252.

It is a happy number.

2528225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2528225 - 22 = 2528221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2528194 and 2528203.

It is not an unprimeable number, because it can be changed into a prime (2528221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7049 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (298592).

22528225 is an apocalyptic number.

2528225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2528225 is a deficient number, since it is larger than the sum of its proper divisors (1054879).

2528225 is a wasteful number, since it uses less digits than its factorization.

2528225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14464 (or 14459 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 2528225 is about 1590.0393076902. The cubic root of 2528225 is about 136.2297335398.

The spelling of 2528225 in words is "two million, five hundred twenty-eight thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 14447 72235 101129 361175 505645 2528225