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18114697 is a prime number
BaseRepresentation
bin100010100011…
…0100010001001
31021002022200201
41011012202021
514114132242
61444132201
7306654346
oct105064211
937068621
1018114697
11a252927
126097061
1339a3273
1425977cd
1518cc4b7
hex1146889

18114697 has 2 divisors, whose sum is σ = 18114698. Its totient is φ = 18114696.

The previous prime is 18114689. The next prime is 18114703. The reversal of 18114697 is 79641181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14470416 + 3644281 = 3804^2 + 1909^2 .

It is an emirp because it is prime and its reverse (79641181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18114697 - 23 = 18114689 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (18114617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9057348 + 9057349.

It is an arithmetic number, because the mean of its divisors is an integer number (9057349).

Almost surely, 218114697 is an apocalyptic number.

It is an amenable number.

18114697 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114697 is an equidigital number, since it uses as much as digits as its factorization.

18114697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 18114697 is about 4256.1363934912. The cubic root of 18114697 is about 262.6296115785.

It can be divided in two parts, 181 and 14697, that added together give a triangular number (14878 = T172).

The spelling of 18114697 in words is "eighteen million, one hundred fourteen thousand, six hundred ninety-seven".