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19109341 is a prime number
BaseRepresentation
bin100100011100…
…1010111011101
31022221212002101
41020321113131
514342444331
61521325101
7321266236
oct110712735
938855071
1019109341
11a872149
126496791
133c60c04
14277608d
151a27061
hex12395dd

19109341 has 2 divisors, whose sum is σ = 19109342. Its totient is φ = 19109340.

The previous prime is 19109327. The next prime is 19109357. The reversal of 19109341 is 14390191.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 6300100 = 3579^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 19109341 - 215 = 19076573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19109371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9554670 + 9554671.

It is an arithmetic number, because the mean of its divisors is an integer number (9554671).

Almost surely, 219109341 is an apocalyptic number.

It is an amenable number.

19109341 is a deficient number, since it is larger than the sum of its proper divisors (1).

19109341 is an equidigital number, since it uses as much as digits as its factorization.

19109341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 19109341 is about 4371.4232236195. The cubic root of 19109341 is about 267.3510557561.

The spelling of 19109341 in words is "nineteen million, one hundred nine thousand, three hundred forty-one".