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14443439 = 194118541
BaseRepresentation
bin110111000110…
…001110101111
31000011210200012
4313012032233
512144142224
61233323435
7233524103
oct67061657
930153605
1014443439
11817562a
124a0657b
132cb921a
141cbd903
15140480e
hexdc63af

14443439 has 8 divisors (see below), whose sum is σ = 15575280. Its totient is φ = 13348800.

The previous prime is 14443433. The next prime is 14443441. The reversal of 14443439 is 93434441.

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 14443439 - 24 = 14443423 is a prime.

It is a super-2 number, since 2×144434392 = 417225860293442, 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 (14443433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8492 + ... + 10049.

It is an arithmetic number, because the mean of its divisors is an integer number (1946910).

Almost surely, 214443439 is an apocalyptic number.

14443439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14443439 is a deficient number, since it is larger than the sum of its proper divisors (1131841).

14443439 is a wasteful number, since it uses less digits than its factorization.

14443439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18601.

The product of its digits is 20736, while the sum is 32.

The square root of 14443439 is about 3800.4524730616. The cubic root of 14443439 is about 243.5324682955.

The spelling of 14443439 in words is "fourteen million, four hundred forty-three thousand, four hundred thirty-nine".

Divisors: 1 19 41 779 18541 352279 760181 14443439