Search a number
-
+
2303280209 is a prime number
BaseRepresentation
bin1000100101001001…
…0100010001010001
312221112000202110102
42021102110101101
514204114431314
61020315142145
7111035362436
oct21122242121
95845022412
102303280209
11a8216156a
12543444955
132a92531c9
1417bc83b8d
15d731d5de
hex89494451

2303280209 has 2 divisors, whose sum is σ = 2303280210. Its totient is φ = 2303280208.

The previous prime is 2303280193. The next prime is 2303280211. The reversal of 2303280209 is 9020823032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2233507600 + 69772609 = 47260^2 + 8353^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303280209 - 24 = 2303280193 is a prime.

Together with 2303280211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2303280289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151640104 + 1151640105.

It is an arithmetic number, because the mean of its divisors is an integer number (1151640105).

Almost surely, 22303280209 is an apocalyptic number.

It is an amenable number.

2303280209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303280209 is an equidigital number, since it uses as much as digits as its factorization.

2303280209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2303280209 is about 47992.5015913945. The cubic root of 2303280209 is about 1320.6333448669.

The spelling of 2303280209 in words is "two billion, three hundred three million, two hundred eighty thousand, two hundred nine".