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2806201 is a prime number
BaseRepresentation
bin1010101101000110111001
312021120101101
422231012321
51204244301
6140051401
732565226
oct12550671
95246341
102806201
111647382
12b33b61
13773398
1453094d
153a6701
hex2ad1b9

2806201 has 2 divisors, whose sum is σ = 2806202. Its totient is φ = 2806200.

The previous prime is 2806187. The next prime is 2806211. The reversal of 2806201 is 1026082.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 576 = 1675^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 2806201 - 25 = 2806169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2806211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403100 + 1403101.

It is an arithmetic number, because the mean of its divisors is an integer number (1403101).

22806201 is an apocalyptic number.

It is an amenable number.

2806201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806201 is an equidigital number, since it uses as much as digits as its factorization.

2806201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2806201 is about 1675.1719314745. The cubic root of 2806201 is about 141.0499462577.

The spelling of 2806201 in words is "two million, eight hundred six thousand, two hundred one".