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2192471 is a prime number
BaseRepresentation
bin1000010111010001010111
311010101111122
420113101113
51030124341
6114554155
724431021
oct10272127
94111448
102192471
111268266
1289895b
135b9c28
14411011
152d494b
hex217457

2192471 has 2 divisors, whose sum is σ = 2192472. Its totient is φ = 2192470.

The previous prime is 2192459. The next prime is 2192549. The reversal of 2192471 is 1742912.

2192471 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 is a cyclic number.

It is not a de Polignac number, because 2192471 - 214 = 2176087 is a prime.

It is a super-3 number, since 3×21924713 = 31617157859288709333, which contains 333 as substring.

It is a Sophie Germain 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 2192471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2192431) 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, 1096235 + 1096236.

It is an arithmetic number, because the mean of its divisors is an integer number (1096236).

22192471 is an apocalyptic number.

2192471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192471 is an equidigital number, since it uses as much as digits as its factorization.

2192471 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 2192471 is about 1480.6994968595. The cubic root of 2192471 is about 129.9106091584.

The spelling of 2192471 in words is "two million, one hundred ninety-two thousand, four hundred seventy-one".