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7103081 is a prime number
BaseRepresentation
bin11011000110001001101001
3111100212121002
4123012021221
53304244311
6412124345
7114242456
oct33061151
914325532
107103081
114011717
1224666b5
13161910b
14d2c82d
1595493b
hex6c6269

7103081 has 2 divisors, whose sum is σ = 7103082. Its totient is φ = 7103080.

The previous prime is 7103077. The next prime is 7103101. The reversal of 7103081 is 1803017.

It is an a-pointer prime, because the next prime (7103101) can be obtained adding 7103081 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 2859481 = 2060^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 7103081 - 22 = 7103077 is a prime.

It is a super-2 number, since 2×71030812 = 100907519385122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7103281) 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, 3551540 + 3551541.

It is an arithmetic number, because the mean of its divisors is an integer number (3551541).

Almost surely, 27103081 is an apocalyptic number.

It is an amenable number.

7103081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7103081 is an equidigital number, since it uses as much as digits as its factorization.

7103081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 7103081 is about 2665.1605955364. The cubic root of 7103081 is about 192.2275315425.

Adding to 7103081 its reverse (1803017), we get a palindrome (8906098).

The spelling of 7103081 in words is "seven million, one hundred three thousand, eighty-one".