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14438869 is a prime number
BaseRepresentation
bin110111000101…
…000111010101
31000011120101221
4313011013111
512144020434
61233250341
7233504554
oct67050725
930146357
1014438869
118172155
124a039b1
132cb7113
141cbbd9b
1514032b4
hexdc51d5

14438869 has 2 divisors, whose sum is σ = 14438870. Its totient is φ = 14438868.

The previous prime is 14438857. The next prime is 14438873. The reversal of 14438869 is 96883441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14152644 + 286225 = 3762^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 14438869 - 29 = 14438357 is a prime.

It is a super-2 number, since 2×144388692 = 416961875998322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14438569) 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 as a sum of consecutive naturals, namely, 7219434 + 7219435.

It is an arithmetic number, because the mean of its divisors is an integer number (7219435).

Almost surely, 214438869 is an apocalyptic number.

It is an amenable number.

14438869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14438869 is an equidigital number, since it uses as much as digits as its factorization.

14438869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 14438869 is about 3799.8511812964. The cubic root of 14438869 is about 243.5067804894.

The spelling of 14438869 in words is "fourteen million, four hundred thirty-eight thousand, eight hundred sixty-nine".