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14438885 = 52887777
BaseRepresentation
bin110111000101…
…000111100101
31000011120102112
4313011013211
512144021020
61233250405
7233504606
oct67050745
930146375
1014438885
11817216a
124a03a05
132cb7126
141cbbdad
1514032c5
hexdc51e5

14438885 has 4 divisors (see below), whose sum is σ = 17326668. Its totient is φ = 11551104.

The previous prime is 14438873. The next prime is 14438887. The reversal of 14438885 is 58883441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58883441 = 166735323.

It can be written as a sum of positive squares in 2 ways, for example, as 3323329 + 11115556 = 1823^2 + 3334^2 .

It is a cyclic number.

It is not a de Polignac number, because 14438885 - 24 = 14438869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14438887) 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, 1443884 + ... + 1443893.

It is an arithmetic number, because the mean of its divisors is an integer number (4331667).

Almost surely, 214438885 is an apocalyptic number.

It is an amenable number.

14438885 is a deficient number, since it is larger than the sum of its proper divisors (2887783).

14438885 is an equidigital number, since it uses as much as digits as its factorization.

14438885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887782.

The product of its digits is 122880, while the sum is 41.

The square root of 14438885 is about 3799.8532866415. The cubic root of 14438885 is about 243.5068704343.

The spelling of 14438885 in words is "fourteen million, four hundred thirty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 2887777 14438885