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224684081 is a prime number
BaseRepresentation
bin11010110010001…
…10100000110001
3120122210010121122
431121012200301
5430004342311
634143432025
75365532426
oct1531064061
9518703548
10224684081
11105912526
12632b5615
133771a77b
1421ba9d4d
1514ad30db
hexd646831

224684081 has 2 divisors, whose sum is σ = 224684082. Its totient is φ = 224684080.

The previous prime is 224684077. The next prime is 224684093. The reversal of 224684081 is 180486422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221533456 + 3150625 = 14884^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 224684081 - 22 = 224684077 is a prime.

It is a super-2 number, since 2×2246840812 = 100965872509629122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224684011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112342040 + 112342041.

It is an arithmetic number, because the mean of its divisors is an integer number (112342041).

Almost surely, 2224684081 is an apocalyptic number.

It is an amenable number.

224684081 is a deficient number, since it is larger than the sum of its proper divisors (1).

224684081 is an equidigital number, since it uses as much as digits as its factorization.

224684081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 224684081 is about 14989.4656675947. The cubic root of 224684081 is about 607.9354020488.

The spelling of 224684081 in words is "two hundred twenty-four million, six hundred eighty-four thousand, eighty-one".