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289013071 is a prime number
BaseRepresentation
bin10001001110011…
…111110101001111
3202010211101101211
4101032133311033
51042441404241
644402315251
710106366464
oct2116376517
9663741354
10289013071
1113915a886
1280958b27
1347b51c69
142a55366b
151a58d781
hex1139fd4f

289013071 has 2 divisors, whose sum is σ = 289013072. Its totient is φ = 289013070.

The previous prime is 289013051. The next prime is 289013083. The reversal of 289013071 is 170310982.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-289013071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289013041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144506535 + 144506536.

It is an arithmetic number, because the mean of its divisors is an integer number (144506536).

Almost surely, 2289013071 is an apocalyptic number.

289013071 is a deficient number, since it is larger than the sum of its proper divisors (1).

289013071 is an equidigital number, since it uses as much as digits as its factorization.

289013071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 289013071 is about 17000.3844368297. The cubic root of 289013071 is about 661.1588692587.

The spelling of 289013071 in words is "two hundred eighty-nine million, thirteen thousand, seventy-one".