Search a number
-
+
14281237 is a prime number
BaseRepresentation
bin110110011110…
…101000010101
3222212120011201
4312132220111
512123444422
61230032501
7232250155
oct66365025
928776151
1014281237
118074783
124948731
132c60449
141c7a765
1513c1727
hexd9ea15

14281237 has 2 divisors, whose sum is σ = 14281238. Its totient is φ = 14281236.

The previous prime is 14281193. The next prime is 14281249. The reversal of 14281237 is 73218241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13883076 + 398161 = 3726^2 + 631^2 .

It is an emirp because it is prime and its reverse (73218241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14281237 - 215 = 14248469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14281637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140618 + 7140619.

It is an arithmetic number, because the mean of its divisors is an integer number (7140619).

Almost surely, 214281237 is an apocalyptic number.

It is an amenable number.

14281237 is a deficient number, since it is larger than the sum of its proper divisors (1).

14281237 is an equidigital number, since it uses as much as digits as its factorization.

14281237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 14281237 is about 3779.0523944502. The cubic root of 14281237 is about 242.6173987835.

Adding to 14281237 its reverse (73218241), we get a palindrome (87499478).

The spelling of 14281237 in words is "fourteen million, two hundred eighty-one thousand, two hundred thirty-seven".