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14528009 = 122911821
BaseRepresentation
bin110111011010…
…111000001001
31000100002200102
4313122320021
512204344014
61235215145
7234325466
oct67327011
930302612
1014528009
118223121
124a474b5
133018872
141d0266d
15141e8de
hexddae09

14528009 has 4 divisors (see below), whose sum is σ = 14541060. Its totient is φ = 14514960.

The previous prime is 14527993. The next prime is 14528011. The reversal of 14528009 is 90082541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 5359225 = 3028^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 14528009 - 24 = 14527993 is a prime.

It is a super-2 number, since 2×145280092 = 422126091008162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14528069) 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 3 ways as a sum of consecutive naturals, for example, 4682 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (3635265).

Almost surely, 214528009 is an apocalyptic number.

It is an amenable number.

14528009 is a deficient number, since it is larger than the sum of its proper divisors (13051).

14528009 is a wasteful number, since it uses less digits than its factorization.

14528009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 14528009 is about 3811.5625404813. The cubic root of 14528009 is about 244.0068584026.

The spelling of 14528009 in words is "fourteen million, five hundred twenty-eight thousand, nine".

Divisors: 1 1229 11821 14528009