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19675193 is a prime number
BaseRepresentation
bin100101100001…
…1100000111001
31101000121021212
41023003200321
520014101233
61541412505
7326144036
oct113034071
941017255
1019675193
111011929a
12670a135
1340cb635
14288238d
151ad9a48
hex12c3839

19675193 has 2 divisors, whose sum is σ = 19675194. Its totient is φ = 19675192.

The previous prime is 19675133. The next prime is 19675199. The reversal of 19675193 is 39157691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17073424 + 2601769 = 4132^2 + 1613^2 .

It is an emirp because it is prime and its reverse (39157691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19675193 - 26 = 19675129 is a prime.

It is a super-2 number, since 2×196751932 = 774226439174498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19675193.

It is not a weakly prime, because it can be changed into another prime (19675199) 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, 9837596 + 9837597.

It is an arithmetic number, because the mean of its divisors is an integer number (9837597).

Almost surely, 219675193 is an apocalyptic number.

It is an amenable number.

19675193 is a deficient number, since it is larger than the sum of its proper divisors (1).

19675193 is an equidigital number, since it uses as much as digits as its factorization.

19675193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 41.

The square root of 19675193 is about 4435.6727787338. The cubic root of 19675193 is about 269.9642979771.

The spelling of 19675193 in words is "nineteen million, six hundred seventy-five thousand, one hundred ninety-three".