Search a number
-
+
304244047 is a prime number
BaseRepresentation
bin10010001000100…
…110010101001111
3210012111012101001
4102020212111033
51110341302142
650105001131
710353013612
oct2210462517
9705435331
10304244047
11146813068
1285a831a7
134b055783
142c59a179
151ba9b5b7
hex1222654f

304244047 has 2 divisors, whose sum is σ = 304244048. Its totient is φ = 304244046.

The previous prime is 304244041. The next prime is 304244051. The reversal of 304244047 is 740442403.

It is a strong prime.

It is an emirp because it is prime and its reverse (740442403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304244047 - 215 = 304211279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304244041) 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, 152122023 + 152122024.

It is an arithmetic number, because the mean of its divisors is an integer number (152122024).

Almost surely, 2304244047 is an apocalyptic number.

304244047 is a deficient number, since it is larger than the sum of its proper divisors (1).

304244047 is an equidigital number, since it uses as much as digits as its factorization.

304244047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 304244047 is about 17442.5928978464. The cubic root of 304244047 is about 672.5749630601.

It can be divided in two parts, 3042 and 44047, that added together give a square (47089 = 2172).

The spelling of 304244047 in words is "three hundred four million, two hundred forty-four thousand, forty-seven".