Search a number
-
+
289054379 is a prime number
BaseRepresentation
bin10001001110101…
…001111010101011
3202010220111001202
4101032221322223
51042444220004
644403234415
710106631065
oct2116517253
9663814052
10289054379
11139188919
1280978a0b
1347b679c3
142a564735
151a59ab1e
hex113a9eab

289054379 has 2 divisors, whose sum is σ = 289054380. Its totient is φ = 289054378.

The previous prime is 289054373. The next prime is 289054433. The reversal of 289054379 is 973450982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289054379 - 212 = 289050283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (289054373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144527189 + 144527190.

It is an arithmetic number, because the mean of its divisors is an integer number (144527190).

Almost surely, 2289054379 is an apocalyptic number.

289054379 is a deficient number, since it is larger than the sum of its proper divisors (1).

289054379 is an equidigital number, since it uses as much as digits as its factorization.

289054379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 289054379 is about 17001.5993071240. The cubic root of 289054379 is about 661.1903670838.

The spelling of 289054379 in words is "two hundred eighty-nine million, fifty-four thousand, three hundred seventy-nine".