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14539439 = 173229367
BaseRepresentation
bin110111011101…
…101010101111
31000100200100202
4313131222233
512210230224
61235344115
7234404015
oct67355257
930320322
1014539439
118230772
124a5203b
133020b25
141d068b5
151422eae
hexdddaaf

14539439 has 8 divisors (see below), whose sum is σ = 14727360. Its totient is φ = 14353056.

The previous prime is 14539417. The next prime is 14539457. The reversal of 14539439 is 93493541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14539439 is a prime.

It is a super-2 number, since 2×145394392 = 422790572869442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14539489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39434 + ... + 39800.

It is an arithmetic number, because the mean of its divisors is an integer number (1840920).

Almost surely, 214539439 is an apocalyptic number.

14539439 is a deficient number, since it is larger than the sum of its proper divisors (187921).

14539439 is a wasteful number, since it uses less digits than its factorization.

14539439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 58320, while the sum is 38.

The square root of 14539439 is about 3813.0616307634. The cubic root of 14539439 is about 244.0708329245.

The spelling of 14539439 in words is "fourteen million, five hundred thirty-nine thousand, four hundred thirty-nine".

Divisors: 1 173 229 367 39617 63491 84043 14539439