Search a number
-
+
27083081 is a prime number
BaseRepresentation
bin110011101010…
…0000101001001
31212221222000002
41213110011021
523413124311
62404252345
7446126264
oct147240511
955858002
1027083081
1114318a13
1290a10b5
1357c33bc
14384dcdb
15259e93b
hex19d4149

27083081 has 2 divisors, whose sum is σ = 27083082. Its totient is φ = 27083080.

The previous prime is 27083059. The next prime is 27083087. The reversal of 27083081 is 18038072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 1731856 = 5035^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 27083081 - 222 = 22888777 is a prime.

It is a super-2 number, since 2×270830812 = 1466986552905122, 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 (27083087) 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, 13541540 + 13541541.

It is an arithmetic number, because the mean of its divisors is an integer number (13541541).

Almost surely, 227083081 is an apocalyptic number.

It is an amenable number.

27083081 is a deficient number, since it is larger than the sum of its proper divisors (1).

27083081 is an equidigital number, since it uses as much as digits as its factorization.

27083081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 27083081 is about 5204.1407552064. The cubic root of 27083081 is about 300.3073923330.

The spelling of 27083081 in words is "twenty-seven million, eighty-three thousand, eighty-one".