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84207119 is a prime number
BaseRepresentation
bin1010000010011…
…10011000001111
312212110011110012
411001032120033
5133024111434
612204503435
72041514543
oct501163017
9185404405
1084207119
1143595067
122424ab7b
13145a42c9
14b27da23
1575d53ce
hex504e60f

84207119 has 2 divisors, whose sum is σ = 84207120. Its totient is φ = 84207118.

The previous prime is 84207041. The next prime is 84207121. The reversal of 84207119 is 91170248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84207119 is a prime.

It is a super-2 number, since 2×842071192 = 14181677780560322, which contains 22 as substring.

Together with 84207121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84207419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42103559 + 42103560.

It is an arithmetic number, because the mean of its divisors is an integer number (42103560).

Almost surely, 284207119 is an apocalyptic number.

84207119 is a deficient number, since it is larger than the sum of its proper divisors (1).

84207119 is an equidigital number, since it uses as much as digits as its factorization.

84207119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 84207119 is about 9176.4437011295. The cubic root of 84207119 is about 438.3115715734.

The spelling of 84207119 in words is "eighty-four million, two hundred seven thousand, one hundred nineteen".