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289076149 is a prime number
BaseRepresentation
bin10001001110101…
…111001110110101
3202010221120221001
4101032233032311
51043000414044
644403523301
710110051415
oct2116571665
9663846831
10289076149
111391a320a
1280989531
1347b7489b
142a56c645
151a5a22d4
hex113af3b5

289076149 has 2 divisors, whose sum is σ = 289076150. Its totient is φ = 289076148.

The previous prime is 289076129. The next prime is 289076159. The reversal of 289076149 is 941670982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203975524 + 85100625 = 14282^2 + 9225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-289076149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289076099 and 289076108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289076129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144538074 + 144538075.

It is an arithmetic number, because the mean of its divisors is an integer number (144538075).

Almost surely, 2289076149 is an apocalyptic number.

It is an amenable number.

289076149 is a deficient number, since it is larger than the sum of its proper divisors (1).

289076149 is an equidigital number, since it uses as much as digits as its factorization.

289076149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 289076149 is about 17002.2395289562. The cubic root of 289076149 is about 661.2069657518.

It can be divided in two parts, 2890761 and 49, that added together give a triangular number (2890810 = T2404).

The spelling of 289076149 in words is "two hundred eighty-nine million, seventy-six thousand, one hundred forty-nine".