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84345343 is a prime number
BaseRepresentation
bin1010000011100…
…00000111111111
312212201012001121
411001300013333
5133043022333
612211451411
72042631535
oct501600777
9185635047
1084345343
11436799a5
12242b6b67
13146221b4
14b2b8155
15761132d
hex50701ff

84345343 has 2 divisors, whose sum is σ = 84345344. Its totient is φ = 84345342.

The previous prime is 84345341. The next prime is 84345367. The reversal of 84345343 is 34354348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84345343 - 21 = 84345341 is a prime.

It is a super-2 number, since 2×843453432 = 14228273771575298, which contains 22 as substring.

Together with 84345341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 84345299 and 84345308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84345341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42172671 + 42172672.

It is an arithmetic number, because the mean of its divisors is an integer number (42172672).

Almost surely, 284345343 is an apocalyptic number.

84345343 is a deficient number, since it is larger than the sum of its proper divisors (1).

84345343 is an equidigital number, since it uses as much as digits as its factorization.

84345343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 84345343 is about 9183.9720709506. The cubic root of 84345343 is about 438.5512665060.

The spelling of 84345343 in words is "eighty-four million, three hundred forty-five thousand, three hundred forty-three".