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9208081 is a prime number
BaseRepresentation
bin100011001000…
…000100010001
3122022211010001
4203020010101
54324124311
6525210001
7141160501
oct43100421
918284101
109208081
11521a193
123100901
131ba528c
141319a01
15c1d4c1
hex8c8111

9208081 has 2 divisors, whose sum is σ = 9208082. Its totient is φ = 9208080.

The previous prime is 9208057. The next prime is 9208123. The reversal of 9208081 is 1808029.

9208081 is digitally balanced in base 3, 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., 4730625 + 4477456 = 2175^2 + 2116^2 .

It is an emirp because it is prime and its reverse (1808029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9208081 - 25 = 9208049 is a prime.

It is a super-2 number, since 2×92080812 = 169577511405122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9208481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4604040 + 4604041.

It is an arithmetic number, because the mean of its divisors is an integer number (4604041).

Almost surely, 29208081 is an apocalyptic number.

It is an amenable number.

9208081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9208081 is an equidigital number, since it uses as much as digits as its factorization.

9208081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 9208081 is about 3034.4819986284. The cubic root of 9208081 is about 209.5992432548.

The spelling of 9208081 in words is "nine million, two hundred eight thousand, eighty-one".