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14211517 is a prime number
BaseRepresentation
bin110110001101…
…100110111101
3222202000112111
4312031212331
512114232032
61224334021
7231536665
oct66154675
928660474
1014211517
118027361
124914311
132c377a8
141c5d1a5
1513aac47
hexd8d9bd

14211517 has 2 divisors, whose sum is σ = 14211518. Its totient is φ = 14211516.

The previous prime is 14211497. The next prime is 14211521. The reversal of 14211517 is 71511241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13461561 + 749956 = 3669^2 + 866^2 .

It is an emirp because it is prime and its reverse (71511241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14211517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7105758 + 7105759.

It is an arithmetic number, because the mean of its divisors is an integer number (7105759).

Almost surely, 214211517 is an apocalyptic number.

It is an amenable number.

14211517 is a deficient number, since it is larger than the sum of its proper divisors (1).

14211517 is an equidigital number, since it uses as much as digits as its factorization.

14211517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 280, while the sum is 22.

The square root of 14211517 is about 3769.8165737871. The cubic root of 14211517 is about 242.2219408280.

Adding to 14211517 its reverse (71511241), we get a palindrome (85722758).

The spelling of 14211517 in words is "fourteen million, two hundred eleven thousand, five hundred seventeen".