Search a number
-
+
305344241 is a prime number
BaseRepresentation
bin10010001100110…
…010111011110001
3210021120002112222
4102030302323301
51111132003431
650144330425
710365245306
oct2214627361
9707502488
10305344241
111473a4714
1286313a15
134b34c487
142c7a50ad
151bc1757b
hex12332ef1

305344241 has 2 divisors, whose sum is σ = 305344242. Its totient is φ = 305344240.

The previous prime is 305344229. The next prime is 305344309. The reversal of 305344241 is 142443503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161823841 + 143520400 = 12721^2 + 11980^2 .

It is a cyclic number.

It is not a de Polignac number, because 305344241 - 210 = 305343217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305344241.

It is not a weakly prime, because it can be changed into another prime (305344441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152672120 + 152672121.

It is an arithmetic number, because the mean of its divisors is an integer number (152672121).

Almost surely, 2305344241 is an apocalyptic number.

It is an amenable number.

305344241 is a deficient number, since it is larger than the sum of its proper divisors (1).

305344241 is an equidigital number, since it uses as much as digits as its factorization.

305344241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 305344241 is about 17474.1020084009. The cubic root of 305344241 is about 673.3846998413.

Adding to 305344241 its reverse (142443503), we get a palindrome (447787744).

The spelling of 305344241 in words is "three hundred five million, three hundred forty-four thousand, two hundred forty-one".