Search a number
-
+
268230217 is a prime number
BaseRepresentation
bin11111111110011…
…01111001001001
3200200201111200111
433333031321021
51022131331332
642341034321
76434630203
oct1777157111
9620644614
10268230217
11128455372
12759b59a1
1343756408
14278a3773
1518835947
hexffcde49

268230217 has 2 divisors, whose sum is σ = 268230218. Its totient is φ = 268230216.

The previous prime is 268230203. The next prime is 268230289. The reversal of 268230217 is 712032862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265657401 + 2572816 = 16299^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 268230217 - 27 = 268230089 is a prime.

It is not a weakly prime, because it can be changed into another prime (268260217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134115108 + 134115109.

It is an arithmetic number, because the mean of its divisors is an integer number (134115109).

Almost surely, 2268230217 is an apocalyptic number.

It is an amenable number.

268230217 is a deficient number, since it is larger than the sum of its proper divisors (1).

268230217 is an equidigital number, since it uses as much as digits as its factorization.

268230217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 268230217 is about 16377.7354051163. The cubic root of 268230217 is about 644.9151317537.

The spelling of 268230217 in words is "two hundred sixty-eight million, two hundred thirty thousand, two hundred seventeen".