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419189 is a prime number
BaseRepresentation
bin1100110010101110101
3210022000112
41212111311
5101403224
612552405
73364061
oct1462565
9708015
10419189
11266a41
12182705
13118a54
14acaa1
158430e
hex66575

419189 has 2 divisors, whose sum is σ = 419190. Its totient is φ = 419188.

The previous prime is 419183. The next prime is 419191. The reversal of 419189 is 981914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 47089 = 610^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 419189 - 28 = 418933 is a prime.

It is a Sophie Germain prime.

Together with 419191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 419189.

It is not a weakly prime, because it can be changed into another prime (419183) 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, 209594 + 209595.

It is an arithmetic number, because the mean of its divisors is an integer number (209595).

2419189 is an apocalyptic number.

It is an amenable number.

419189 is a deficient number, since it is larger than the sum of its proper divisors (1).

419189 is an equidigital number, since it uses as much as digits as its factorization.

419189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 32.

The square root of 419189 is about 647.4480674154. The cubic root of 419189 is about 74.8404906269.

The spelling of 419189 in words is "four hundred nineteen thousand, one hundred eighty-nine".