Search a number
-
+
676000681 is a prime number
BaseRepresentation
bin101000010010101…
…111001110101001
31202010000101121021
4220102233032221
52341024010211
6151025012441
722515624316
oct5022571651
91663011537
10676000681
11317648354
1216a484121
13aa088805
1465acbd0d
153e531771
hex284af3a9

676000681 has 2 divisors, whose sum is σ = 676000682. Its totient is φ = 676000680.

The previous prime is 676000667. The next prime is 676000729. The reversal of 676000681 is 186000676.

676000681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607376025 + 68624656 = 24645^2 + 8284^2 .

It is a cyclic number.

It is not a de Polignac number, because 676000681 - 25 = 676000649 is a prime.

It is a super-2 number, since 2×6760006812 = 913953841424927522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (676000781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338000340 + 338000341.

It is an arithmetic number, because the mean of its divisors is an integer number (338000341).

Almost surely, 2676000681 is an apocalyptic number.

It is an amenable number.

676000681 is a deficient number, since it is larger than the sum of its proper divisors (1).

676000681 is an equidigital number, since it uses as much as digits as its factorization.

676000681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 676000681 is about 26000.0130961505. The cubic root of 676000681 is about 877.6385902427.

The spelling of 676000681 in words is "six hundred seventy-six million, six hundred eighty-one", and thus it is an aban number.