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19417141 is a prime number
BaseRepresentation
bin100101000010…
…0100000110101
31100112111022101
41022010200311
514432322031
61532102101
7324020512
oct112044065
940474271
1019417141
11aa62427
126604931
13403b043
142816309
151a88361
hex1284835

19417141 has 2 divisors, whose sum is σ = 19417142. Its totient is φ = 19417140.

The previous prime is 19417127. The next prime is 19417163. The reversal of 19417141 is 14171491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 3783025 = 3954^2 + 1945^2 .

It is an emirp because it is prime and its reverse (14171491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19417141 is a prime.

It is a super-2 number, since 2×194171412 = 754050729227762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19417171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9708570 + 9708571.

It is an arithmetic number, because the mean of its divisors is an integer number (9708571).

Almost surely, 219417141 is an apocalyptic number.

It is an amenable number.

19417141 is a deficient number, since it is larger than the sum of its proper divisors (1).

19417141 is an equidigital number, since it uses as much as digits as its factorization.

19417141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 28.

The square root of 19417141 is about 4406.4885112752. The cubic root of 19417141 is about 268.7788520674.

The spelling of 19417141 in words is "nineteen million, four hundred seventeen thousand, one hundred forty-one".