Search a number
-
+
10939081 is a prime number
BaseRepresentation
bin101001101110…
…101011001001
3202120202121011
4221232223021
510300022311
61030243521
7161660236
oct51565311
922522534
1010939081
1161a176a
1237b65a1
13236013a
14164a78d
15e61321
hexa6eac9

10939081 has 2 divisors, whose sum is σ = 10939082. Its totient is φ = 10939080.

The previous prime is 10939073. The next prime is 10939091. The reversal of 10939081 is 18093901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 1428025 = 3084^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 10939081 - 23 = 10939073 is a prime.

It is a super-2 number, since 2×109390812 = 239326986249122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10939021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469540 + 5469541.

It is an arithmetic number, because the mean of its divisors is an integer number (5469541).

Almost surely, 210939081 is an apocalyptic number.

It is an amenable number.

10939081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10939081 is an equidigital number, since it uses as much as digits as its factorization.

10939081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 10939081 is about 3307.4281549264. The cubic root of 10939081 is about 221.9866953583.

The spelling of 10939081 in words is "ten million, nine hundred thirty-nine thousand, eighty-one".