Search a number
-
+
14003281 is a prime number
BaseRepresentation
bin110101011010…
…110001010001
3222100102220001
4311122301101
512041101111
61220050001
7230011615
oct65326121
928312801
1014003281
1179a4966
124833901
132b93a86
141c07345
1513691c1
hexd5ac51

14003281 has 2 divisors, whose sum is σ = 14003282. Its totient is φ = 14003280.

The previous prime is 14003273. The next prime is 14003293. The reversal of 14003281 is 18230041.

14003281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 6713281 = 2700^2 + 2591^2 .

It is an emirp because it is prime and its reverse (18230041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14003281 - 23 = 14003273 is a prime.

It is a super-2 number, since 2×140032812 = 392183757529922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14003261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7001640 + 7001641.

It is an arithmetic number, because the mean of its divisors is an integer number (7001641).

Almost surely, 214003281 is an apocalyptic number.

14003281 is the 2161-st hex number.

It is an amenable number.

14003281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14003281 is an equidigital number, since it uses as much as digits as its factorization.

14003281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 14003281 is about 3742.0958031563. The cubic root of 14003281 is about 241.0330527487.

The spelling of 14003281 in words is "fourteen million, three thousand, two hundred eighty-one".