Search a number
-
+
84032387 is a prime number
BaseRepresentation
bin1010000001000…
…11101110000011
312212010021202122
411000203232003
5133003014022
612201034455
72040156245
oct500435603
9185107678
1084032387
114348585a
1224185a2b
131454290a
14b236095
15759d742
hex5023b83

84032387 has 2 divisors, whose sum is σ = 84032388. Its totient is φ = 84032386.

The previous prime is 84032369. The next prime is 84032453. The reversal of 84032387 is 78323048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84032387 - 26 = 84032323 is a prime.

It is a super-2 number, since 2×840323872 = 14122884129835538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83032387) 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, 42016193 + 42016194.

It is an arithmetic number, because the mean of its divisors is an integer number (42016194).

Almost surely, 284032387 is an apocalyptic number.

84032387 is a deficient number, since it is larger than the sum of its proper divisors (1).

84032387 is an equidigital number, since it uses as much as digits as its factorization.

84032387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 84032387 is about 9166.9180753403. The cubic root of 84032387 is about 438.0081922670.

The spelling of 84032387 in words is "eighty-four million, thirty-two thousand, three hundred eighty-seven".