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14818389 = 337133499
BaseRepresentation
bin111000100001…
…110001010101
31000212212000020
4320201301111
512243142024
61245335353
7236645205
oct70416125
930785006
1014818389
118401303
124b67559
1330baaa1
141d7a405
15147a979
hexe21c55

14818389 has 8 divisors (see below), whose sum is σ = 20292000. Its totient is φ = 9611856.

The previous prime is 14818357. The next prime is 14818409. The reversal of 14818389 is 98381841.

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

It is not a de Polignac number, because 14818389 - 25 = 14818357 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 14818389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14811389) 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, 66639 + ... + 66860.

It is an arithmetic number, because the mean of its divisors is an integer number (2536500).

Almost surely, 214818389 is an apocalyptic number.

It is an amenable number.

14818389 is a deficient number, since it is larger than the sum of its proper divisors (5473611).

14818389 is a wasteful number, since it uses less digits than its factorization.

14818389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133539.

The product of its digits is 55296, while the sum is 42.

The square root of 14818389 is about 3849.4660668721. The cubic root of 14818389 is about 245.6218494374.

It can be divided in two parts, 1481 and 8389, that added together give a triangular number (9870 = T140).

The spelling of 14818389 in words is "fourteen million, eight hundred eighteen thousand, three hundred eighty-nine".

Divisors: 1 3 37 111 133499 400497 4939463 14818389