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14216393 is a prime number
BaseRepresentation
bin110110001110…
…110011001001
3222202021020002
4312032303021
512114411033
61224412345
7231560132
oct66166311
928667202
1014216393
11802aa94
1249170b5
132c39a89
141c60c89
1513ac3e8
hexd8ecc9

14216393 has 2 divisors, whose sum is σ = 14216394. Its totient is φ = 14216392.

The previous prime is 14216387. The next prime is 14216407. The reversal of 14216393 is 39361241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7414729 + 6801664 = 2723^2 + 2608^2 .

It is an emirp because it is prime and its reverse (39361241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14216393 - 214 = 14200009 is a prime.

It is not a weakly prime, because it can be changed into another prime (14216303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7108196 + 7108197.

It is an arithmetic number, because the mean of its divisors is an integer number (7108197).

Almost surely, 214216393 is an apocalyptic number.

It is an amenable number.

14216393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14216393 is an equidigital number, since it uses as much as digits as its factorization.

14216393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 14216393 is about 3770.4632341398. The cubic root of 14216393 is about 242.2496399384.

It can be divided in two parts, 1421 and 6393, that multiplied together give a triangular number (9084453 = T4262).

The spelling of 14216393 in words is "fourteen million, two hundred sixteen thousand, three hundred ninety-three".