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2442197 is a prime number
BaseRepresentation
bin1001010100001111010101
311121002001202
421110033111
51111122242
6124202245
726521052
oct11241725
94532052
102442197
11141894a
12999385
136767b4
14478029
15333932
hex2543d5

2442197 has 2 divisors, whose sum is σ = 2442198. Its totient is φ = 2442196.

The previous prime is 2442191. The next prime is 2442199. The reversal of 2442197 is 7912442.

2442197 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., 2436721 + 5476 = 1561^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442197 - 26 = 2442133 is a prime.

Together with 2442199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442191) 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, 1221098 + 1221099.

It is an arithmetic number, because the mean of its divisors is an integer number (1221099).

22442197 is an apocalyptic number.

It is an amenable number.

2442197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442197 is an equidigital number, since it uses as much as digits as its factorization.

2442197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 2442197 is about 1562.7530195140. The cubic root of 2442197 is about 134.6667041085. Note that the first 3 decimals are identical.

The spelling of 2442197 in words is "two million, four hundred forty-two thousand, one hundred ninety-seven".