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14243439 = 376111119
BaseRepresentation
bin110110010101…
…011001101111
3222210122022210
4312111121233
512121242224
61225141503
7232032030
oct66253157
928718283
1014243439
118049341
12492a893
132c49192
141c6aa87
1513b5429
hexd9566f

14243439 has 16 divisors (see below), whose sum is σ = 22062080. Its totient is φ = 8004960.

The previous prime is 14243413. The next prime is 14243447. The reversal of 14243439 is 93434241.

It is not a de Polignac number, because 14243439 - 28 = 14243183 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4279 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (1378880).

Almost surely, 214243439 is an apocalyptic number.

14243439 is a deficient number, since it is larger than the sum of its proper divisors (7818641).

14243439 is a wasteful number, since it uses less digits than its factorization.

14243439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190.

The product of its digits is 10368, while the sum is 30.

The square root of 14243439 is about 3774.0480919034. The cubic root of 14243439 is about 242.4031653618.

The spelling of 14243439 in words is "fourteen million, two hundred forty-three thousand, four hundred thirty-nine".

Divisors: 1 3 7 21 61 183 427 1281 11119 33357 77833 233499 678259 2034777 4747813 14243439