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84919 is a prime number
BaseRepresentation
bin10100101110110111
311022111011
4110232313
510204134
61453051
7502402
oct245667
9138434
1084919
115888a
1241187
132c863
1422d39
151a264
hex14bb7

84919 has 2 divisors, whose sum is σ = 84920. Its totient is φ = 84918.

The previous prime is 84913. The next prime is 84947. The reversal of 84919 is 91948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84919 - 29 = 84407 is a prime.

It is a super-2 number, since 2×849192 = 14422473122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 8 and base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42459 + 42460.

It is an arithmetic number, because the mean of its divisors is an integer number (42460).

284919 is an apocalyptic number.

84919 is a deficient number, since it is larger than the sum of its proper divisors (1).

84919 is an equidigital number, since it uses as much as digits as its factorization.

84919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 84919 is about 291.4086477783. The cubic root of 84919 is about 43.9543258827.

It can be divided in two parts, 849 and 19, that added together give a palindrome (868).

The spelling of 84919 in words is "eighty-four thousand, nine hundred nineteen".