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2197241 is a prime number
BaseRepresentation
bin1000011000011011111001
311010122001022
420120123321
51030302431
6115032225
724450644
oct10303371
94118038
102197241
111270902
1289b675
135bc157
14412a5b
152d607b
hex2186f9

2197241 has 2 divisors, whose sum is σ = 2197242. Its totient is φ = 2197240.

The previous prime is 2197193. The next prime is 2197253. The reversal of 2197241 is 1427912.

2197241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 942841 = 1120^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2197241 - 26 = 2197177 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2197241.

It is not a weakly prime, because it can be changed into another prime (2697241) 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, 1098620 + 1098621.

It is an arithmetic number, because the mean of its divisors is an integer number (1098621).

22197241 is an apocalyptic number.

It is an amenable number.

2197241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197241 is an equidigital number, since it uses as much as digits as its factorization.

2197241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 2197241 is about 1482.3093469313. The cubic root of 2197241 is about 130.0047532779.

The spelling of 2197241 in words is "two million, one hundred ninety-seven thousand, two hundred forty-one".