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18114193 is a prime number
BaseRepresentation
bin100010100011…
…0011010010001
31021002022000001
41011012122101
514114123233
61444130001
7306653026
oct105063221
937068001
1018114193
11a252509
126096901
1339a2c76
14259754d
1518cc27d
hex1146691

18114193 has 2 divisors, whose sum is σ = 18114194. Its totient is φ = 18114192.

The previous prime is 18114167. The next prime is 18114203. The reversal of 18114193 is 39141181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9072144 + 9042049 = 3012^2 + 3007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18114193 is a prime.

It is not a weakly prime, because it can be changed into another prime (18114893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9057096 + 9057097.

It is an arithmetic number, because the mean of its divisors is an integer number (9057097).

Almost surely, 218114193 is an apocalyptic number.

It is an amenable number.

18114193 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114193 is an equidigital number, since it uses as much as digits as its factorization.

18114193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 28.

The square root of 18114193 is about 4256.0771844505. The cubic root of 18114193 is about 262.6271758665.

The spelling of 18114193 in words is "eighteen million, one hundred fourteen thousand, one hundred ninety-three".