Search a number
-
+
14280247 is a prime number
BaseRepresentation
bin110110011110…
…011000110111
3222212111211001
4312132120313
512123431442
61230024131
7232244242
oct66363067
928774731
1014280247
118073a63
124948047
132c5cb67
141c7a259
1513c12b7
hexd9e637

14280247 has 2 divisors, whose sum is σ = 14280248. Its totient is φ = 14280246.

The previous prime is 14280241. The next prime is 14280271. The reversal of 14280247 is 74208241.

It is a weak prime.

It is an emirp because it is prime and its reverse (74208241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14280247 - 23 = 14280239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14280241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140123 + 7140124.

It is an arithmetic number, because the mean of its divisors is an integer number (7140124).

Almost surely, 214280247 is an apocalyptic number.

14280247 is a deficient number, since it is larger than the sum of its proper divisors (1).

14280247 is an equidigital number, since it uses as much as digits as its factorization.

14280247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 14280247 is about 3778.9214069626. The cubic root of 14280247 is about 242.6117924350.

Adding to 14280247 its reverse (74208241), we get a palindrome (88488488).

The spelling of 14280247 in words is "fourteen million, two hundred eighty thousand, two hundred forty-seven".