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2790197 is a prime number
BaseRepresentation
bin1010101001001100110101
312020202102122
422221030311
51203241242
6135445325
732500454
oct12511465
95222378
102790197
111636353
12b26845
13769007
14528b9b
153a1ad2
hex2a9335

2790197 has 2 divisors, whose sum is σ = 2790198. Its totient is φ = 2790196.

The previous prime is 2790191. The next prime is 2790209. The reversal of 2790197 is 7910972.

2790197 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., 2775556 + 14641 = 1666^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2790197 - 24 = 2790181 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2790191) 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, 1395098 + 1395099.

It is an arithmetic number, because the mean of its divisors is an integer number (1395099).

22790197 is an apocalyptic number.

It is an amenable number.

2790197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790197 is an equidigital number, since it uses as much as digits as its factorization.

2790197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 2790197 is about 1670.3882782156. The cubic root of 2790197 is about 140.7812949982.

The spelling of 2790197 in words is "two million, seven hundred ninety thousand, one hundred ninety-seven".