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3853081 is a prime number
BaseRepresentation
bin1110101100101100011001
321020202102201
432230230121
51441244311
6214330201
744515321
oct16545431
97222381
103853081
1121a1971
121359961
13a4ba3b
14724281
155119c1
hex3acb19

3853081 has 2 divisors, whose sum is σ = 3853082. Its totient is φ = 3853080.

The previous prime is 3853079. The next prime is 3853093. The reversal of 3853081 is 1803583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 147456 = 1925^2 + 384^2 .

It is an emirp because it is prime and its reverse (1803583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3853081 - 21 = 3853079 is a prime.

It is a super-2 number, since 2×38530812 = 29692466385122, which contains 22 as substring.

Together with 3853079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3850081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926540 + 1926541.

It is an arithmetic number, because the mean of its divisors is an integer number (1926541).

Almost surely, 23853081 is an apocalyptic number.

It is an amenable number.

3853081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3853081 is an equidigital number, since it uses as much as digits as its factorization.

3853081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 3853081 is about 1962.9266415228. The cubic root of 3853081 is about 156.7723179518.

The spelling of 3853081 in words is "three million, eight hundred fifty-three thousand, eighty-one".