Search a number
-
+
289996793 is a prime number
BaseRepresentation
bin10001010010001…
…111111111111001
3202012200100210222
4101102033333321
51043214344133
644435345425
710120634462
oct2122177771
9665610728
10289996793
11139771979
1281152275
1348107948
142a72bd69
151a6d4e98
hex1148fff9

289996793 has 2 divisors, whose sum is σ = 289996794. Its totient is φ = 289996792.

The previous prime is 289996783. The next prime is 289996841. The reversal of 289996793 is 397699982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283686649 + 6310144 = 16843^2 + 2512^2 .

It is a cyclic number.

It is not a de Polignac number, because 289996793 - 214 = 289980409 is a prime.

It is not a weakly prime, because it can be changed into another prime (289996783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144998396 + 144998397.

It is an arithmetic number, because the mean of its divisors is an integer number (144998397).

Almost surely, 2289996793 is an apocalyptic number.

It is an amenable number.

289996793 is a deficient number, since it is larger than the sum of its proper divisors (1).

289996793 is an equidigital number, since it uses as much as digits as its factorization.

289996793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 62.

The square root of 289996793 is about 17029.2922049039. The cubic root of 289996793 is about 661.9081548542.

The spelling of 289996793 in words is "two hundred eighty-nine million, nine hundred ninety-six thousand, seven hundred ninety-three".