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2194201 is a prime number
BaseRepresentation
bin1000010111101100011001
311010110212201
420113230121
51030203301
6115010201
724436042
oct10275431
94113781
102194201
111269599
12899961
135ba959
144118c9
152d5201
hex217b19

2194201 has 2 divisors, whose sum is σ = 2194202. Its totient is φ = 2194200.

The previous prime is 2194193. The next prime is 2194229. The reversal of 2194201 is 1024912.

2194201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2178576 + 15625 = 1476^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194201 - 23 = 2194193 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2194261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097100 + 1097101.

It is an arithmetic number, because the mean of its divisors is an integer number (1097101).

22194201 is an apocalyptic number.

It is an amenable number.

2194201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194201 is an equidigital number, since it uses as much as digits as its factorization.

2194201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2194201 is about 1481.2835650206. The cubic root of 2194201 is about 129.9447694380.

The spelling of 2194201 in words is "two million, one hundred ninety-four thousand, two hundred one".