Search a number
-
+
8060681 is a prime number
BaseRepresentation
bin11110101111111100001001
3120011112011202
4132233330021
54030420211
6444433545
7125341346
oct36577411
916145152
108060681
114606122
1228488b5
131892c45
1410db7cd
15a9353b
hex7aff09

8060681 has 2 divisors, whose sum is σ = 8060682. Its totient is φ = 8060680.

The previous prime is 8060671. The next prime is 8060683. The reversal of 8060681 is 1860608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7513081 + 547600 = 2741^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 8060681 - 214 = 8044297 is a prime.

It is a super-2 number, since 2×80606812 = 129949156367522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 8060683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8060683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4030340 + 4030341.

It is an arithmetic number, because the mean of its divisors is an integer number (4030341).

Almost surely, 28060681 is an apocalyptic number.

It is an amenable number.

8060681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8060681 is an equidigital number, since it uses as much as digits as its factorization.

8060681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8060681 is about 2839.1338467920. The cubic root of 8060681 is about 200.5044018246.

The spelling of 8060681 in words is "eight million, sixty thousand, six hundred eighty-one".