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14052009 = 34684003
BaseRepresentation
bin110101100110…
…101010101001
3222102220201210
4311212222221
512044131014
61221103333
7230303646
oct65465251
928386653
1014052009
117a28534
124857b49
132baccca
141c1adcd
151378859
hexd66aa9

14052009 has 4 divisors (see below), whose sum is σ = 18736016. Its totient is φ = 9368004.

The previous prime is 14052007. The next prime is 14052019. The reversal of 14052009 is 90025041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90025041 = 330008347.

It is not a de Polignac number, because 14052009 - 21 = 14052007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14052007) 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, 2341999 + ... + 2342004.

It is an arithmetic number, because the mean of its divisors is an integer number (4684004).

Almost surely, 214052009 is an apocalyptic number.

It is an amenable number.

14052009 is a deficient number, since it is larger than the sum of its proper divisors (4684007).

14052009 is an equidigital number, since it uses as much as digits as its factorization.

14052009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684006.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 14052009 is about 3748.6009390171. The cubic root of 14052009 is about 241.3123078166.

The spelling of 14052009 in words is "fourteen million, fifty-two thousand, nine".

Divisors: 1 3 4684003 14052009