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14211191 is a prime number
BaseRepresentation
bin110110001101…
…100001110111
3222202000002102
4312031201313
512114224231
61224332315
7231536021
oct66154167
928660072
1014211191
118027095
12491409b
132c375b7
141c5d011
1513aaacb
hexd8d877

14211191 has 2 divisors, whose sum is σ = 14211192. Its totient is φ = 14211190.

The previous prime is 14211163. The next prime is 14211203. The reversal of 14211191 is 19111241.

It is a strong prime.

It is an emirp because it is prime and its reverse (19111241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14211191 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 (14211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7105595 + 7105596.

It is an arithmetic number, because the mean of its divisors is an integer number (7105596).

Almost surely, 214211191 is an apocalyptic number.

14211191 is a deficient number, since it is larger than the sum of its proper divisors (1).

14211191 is an equidigital number, since it uses as much as digits as its factorization.

14211191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 20.

The square root of 14211191 is about 3769.7733353612. The cubic root of 14211191 is about 242.2200886927.

The spelling of 14211191 in words is "fourteen million, two hundred eleven thousand, one hundred ninety-one".