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14438919 = 311437543
BaseRepresentation
bin110111000101…
…001000000111
31000011120110210
4313011020013
512144021134
61233250503
7233504655
oct67051007
930146423
1014438919
1181721a0
124a03a33
132cb7151
141cbbdd5
1514032e9
hexdc5207

14438919 has 8 divisors (see below), whose sum is σ = 21002112. Its totient is φ = 8750840.

The previous prime is 14438887. The next prime is 14438923. The reversal of 14438919 is 91983441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14438919 - 25 = 14438887 is a prime.

It is a super-2 number, since 2×144389192 = 416964763777122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14438939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218739 + ... + 218804.

It is an arithmetic number, because the mean of its divisors is an integer number (2625264).

Almost surely, 214438919 is an apocalyptic number.

14438919 is a deficient number, since it is larger than the sum of its proper divisors (6563193).

14438919 is a wasteful number, since it uses less digits than its factorization.

14438919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437557.

The product of its digits is 31104, while the sum is 39.

The square root of 14438919 is about 3799.8577604958. The cubic root of 14438919 is about 243.5070615669.

The spelling of 14438919 in words is "fourteen million, four hundred thirty-eight thousand, nine hundred nineteen".

Divisors: 1 3 11 33 437543 1312629 4812973 14438919