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806449001 is a prime number
BaseRepresentation
bin110000000100010…
…110111101101001
32002012110212001112
4300010112331221
53122422332001
6212005000105
725661463161
oct6004267551
92065425045
10806449001
11384246086
121a60b3035
13cb100377
14791675a1
154abeccbb
hex30116f69

806449001 has 2 divisors, whose sum is σ = 806449002. Its totient is φ = 806449000.

The previous prime is 806448997. The next prime is 806449019. The reversal of 806449001 is 100944608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 650199001 + 156250000 = 25499^2 + 12500^2 .

It is a cyclic number.

It is not a de Polignac number, because 806449001 - 22 = 806448997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (806449201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403224500 + 403224501.

It is an arithmetic number, because the mean of its divisors is an integer number (403224501).

Almost surely, 2806449001 is an apocalyptic number.

It is an amenable number.

806449001 is a deficient number, since it is larger than the sum of its proper divisors (1).

806449001 is an equidigital number, since it uses as much as digits as its factorization.

806449001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 806449001 is about 28398.0457250142. The cubic root of 806449001 is about 930.8055613232.

The spelling of 806449001 in words is "eight hundred six million, four hundred forty-nine thousand, one".