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289386343 is a prime number
BaseRepresentation
bin10001001111111…
…010111101100111
3202011112100102201
4101033322331213
51043040330333
644414315331
710112512651
oct2117727547
9664470381
10289386343
11139395274
1280ab8b47
1347c52b2c
142a60d6d1
151a61417d
hex113faf67

289386343 has 2 divisors, whose sum is σ = 289386344. Its totient is φ = 289386342.

The previous prime is 289386329. The next prime is 289386371. The reversal of 289386343 is 343683982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289386343 - 225 = 255831911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289386293 and 289386302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289386373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144693171 + 144693172.

It is an arithmetic number, because the mean of its divisors is an integer number (144693172).

Almost surely, 2289386343 is an apocalyptic number.

289386343 is a deficient number, since it is larger than the sum of its proper divisors (1).

289386343 is an equidigital number, since it uses as much as digits as its factorization.

289386343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 46.

The square root of 289386343 is about 17011.3592343469. The cubic root of 289386343 is about 661.4433845593.

The spelling of 289386343 in words is "two hundred eighty-nine million, three hundred eighty-six thousand, three hundred forty-three".