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14211287 is a prime number
BaseRepresentation
bin110110001101…
…100011010111
3222202000012222
4312031203113
512114230122
61224332555
7231536216
oct66154327
928660188
1014211287
118027172
12491415b
132c3765c
141c5d07d
1513aab42
hexd8d8d7

14211287 has 2 divisors, whose sum is σ = 14211288. Its totient is φ = 14211286.

The previous prime is 14211257. The next prime is 14211313. The reversal of 14211287 is 78211241.

It is an a-pointer prime, because the next prime (14211313) can be obtained adding 14211287 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14211287 - 210 = 14210263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14211227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7105643 + 7105644.

It is an arithmetic number, because the mean of its divisors is an integer number (7105644).

Almost surely, 214211287 is an apocalyptic number.

14211287 is a deficient number, since it is larger than the sum of its proper divisors (1).

14211287 is an equidigital number, since it uses as much as digits as its factorization.

14211287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 26.

The square root of 14211287 is about 3769.7860682007. The cubic root of 14211287 is about 242.2206341097.

The spelling of 14211287 in words is "fourteen million, two hundred eleven thousand, two hundred eighty-seven".