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2806801 is a prime number
BaseRepresentation
bin1010101101010000010001
312021121012121
422231100101
51204304201
6140054241
732600044
oct12552021
95247177
102806801
111647878
12b34381
1377373a
14530c5b
153a69a1
hex2ad411

2806801 has 2 divisors, whose sum is σ = 2806802. Its totient is φ = 2806800.

The previous prime is 2806789. The next prime is 2806829. The reversal of 2806801 is 1086082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2556801 + 250000 = 1599^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2806801 - 27 = 2806673 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2806861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403400 + 1403401.

It is an arithmetic number, because the mean of its divisors is an integer number (1403401).

22806801 is an apocalyptic number.

It is an amenable number.

2806801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806801 is an equidigital number, since it uses as much as digits as its factorization.

2806801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2806801 is about 1675.3510079980. The cubic root of 2806801 is about 141.0599982743.

The spelling of 2806801 in words is "two million, eight hundred six thousand, eight hundred one".