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4208081 is a prime number
BaseRepresentation
bin10000000011010111010001
321220210101212
4100003113101
52034124311
6230105505
750524313
oct20032721
97823355
104208081
112414659
1214ab295
13b444b7
147b77b3
15581c8b
hex4035d1

4208081 has 2 divisors, whose sum is σ = 4208082. Its totient is φ = 4208080.

The previous prime is 4208077. The next prime is 4208107. The reversal of 4208081 is 1808024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 2076481 = 1460^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 4208081 - 22 = 4208077 is a prime.

It is a super-2 number, since 2×42080812 = 35415891405122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4205081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104040 + 2104041.

It is an arithmetic number, because the mean of its divisors is an integer number (2104041).

Almost surely, 24208081 is an apocalyptic number.

It is an amenable number.

4208081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4208081 is an equidigital number, since it uses as much as digits as its factorization.

4208081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 4208081 is about 2051.3607678807. The cubic root of 4208081 is about 161.4462754265.

The spelling of 4208081 in words is "four million, two hundred eight thousand, eighty-one".