Search a number
-
+
304224229 = 2671113899
BaseRepresentation
bin10010001000100…
…001011111100101
3210012110012012001
4102020201133211
51110340133404
650104325301
710352602051
oct2210413745
9705405161
10304224229
111467aa191
1285a73831
134b04974a
142c592c61
151ba957a4
hex122217e5

304224229 has 4 divisors (see below), whose sum is σ = 304340800. Its totient is φ = 304107660.

The previous prime is 304224149. The next prime is 304224247. The reversal of 304224229 is 922422403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304224229 - 219 = 303699941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304224197 and 304224206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304224829) 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 in 3 ways as a sum of consecutive naturals, for example, 54279 + ... + 59620.

It is an arithmetic number, because the mean of its divisors is an integer number (76085200).

Almost surely, 2304224229 is an apocalyptic number.

It is an amenable number.

304224229 is a deficient number, since it is larger than the sum of its proper divisors (116571).

304224229 is a wasteful number, since it uses less digits than its factorization.

304224229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116570.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 304224229 is about 17442.0247964507. The cubic root of 304224229 is about 672.5603592355.

The spelling of 304224229 in words is "three hundred four million, two hundred twenty-four thousand, two hundred twenty-nine".

Divisors: 1 2671 113899 304224229