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525480225 = 35231226013
BaseRepresentation
bin11111010100100…
…011000100100001
31100121210011100120
4133110203010201
52034010331400
6124050510453
716010336214
oct3724430441
91317704316
10525480225
1124a690086
12127b95429
1384b36a5a
144db0977b
15311ecca0
hex1f523121

525480225 has 24 divisors (see below), whose sum is σ = 896823552. Its totient is φ = 271214400.

The previous prime is 525480211. The next prime is 525480227. The reversal of 525480225 is 522084525.

It is a happy number.

It is not a de Polignac number, because 525480225 - 224 = 508703009 is a prime.

It is a super-2 number, since 2×5254802252 = 552258933732101250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525480227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110682 + ... + 115331.

It is an arithmetic number, because the mean of its divisors is an integer number (37367648).

Almost surely, 2525480225 is an apocalyptic number.

It is an amenable number.

525480225 is a deficient number, since it is larger than the sum of its proper divisors (371343327).

525480225 is a wasteful number, since it uses less digits than its factorization.

525480225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226057 (or 226052 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 525480225 is about 22923.3554481014. The cubic root of 525480225 is about 806.9602190912.

The spelling of 525480225 in words is "five hundred twenty-five million, four hundred eighty thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 31 75 93 155 465 775 2325 226013 678039 1130065 3390195 5650325 7006403 16950975 21019209 35032015 105096045 175160075 525480225