Search a number
-
+
289799941 is a prime number
BaseRepresentation
bin10001010001011…
…111111100000101
3202012022100210011
4101101133330011
51043142044231
644431230221
710116154534
oct2121377405
9665270704
10289799941
11139647a92
1281078371
1348069172
142a6ba31b
151a6969b1
hex1145ff05

289799941 has 2 divisors, whose sum is σ = 289799942. Its totient is φ = 289799940.

The previous prime is 289799933. The next prime is 289799953. The reversal of 289799941 is 149997982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269288100 + 20511841 = 16410^2 + 4529^2 .

It is a cyclic number.

It is not a de Polignac number, because 289799941 - 23 = 289799933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289799911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144899970 + 144899971.

It is an arithmetic number, because the mean of its divisors is an integer number (144899971).

Almost surely, 2289799941 is an apocalyptic number.

It is an amenable number.

289799941 is a deficient number, since it is larger than the sum of its proper divisors (1).

289799941 is an equidigital number, since it uses as much as digits as its factorization.

289799941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 58.

The square root of 289799941 is about 17023.5114180359. The cubic root of 289799941 is about 661.7583515452.

The spelling of 289799941 in words is "two hundred eighty-nine million, seven hundred ninety-nine thousand, nine hundred forty-one".