Search a number
-
+
84608369 is a prime number
BaseRepresentation
bin1010000101100…
…00010101110001
312220012112212022
411002300111301
5133124431434
612221241225
72045105426
oct502602561
9186175768
1084608369
114383957a
1224403215
13146b4b31
14b345d4d
15766422e
hex50b0571

84608369 has 2 divisors, whose sum is σ = 84608370. Its totient is φ = 84608368.

The previous prime is 84608333. The next prime is 84608383. The reversal of 84608369 is 96380648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 1123600 = 9137^2 + 1060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84608369 is a prime.

It is a super-2 number, since 2×846083692 = 14317152209680322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84608669) 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, 42304184 + 42304185.

It is an arithmetic number, because the mean of its divisors is an integer number (42304185).

Almost surely, 284608369 is an apocalyptic number.

It is an amenable number.

84608369 is a deficient number, since it is larger than the sum of its proper divisors (1).

84608369 is an equidigital number, since it uses as much as digits as its factorization.

84608369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 84608369 is about 9198.2807632731. The cubic root of 84608369 is about 439.0066589208.

The spelling of 84608369 in words is "eighty-four million, six hundred eight thousand, three hundred sixty-nine".