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19302071 is a prime number
BaseRepresentation
bin100100110100…
…0011010110111
31100022122110112
41021220122313
514420131241
61525413235
7323031155
oct111503267
940278415
1019302071
11a993a28
12656a21b
133cca859
1427c63d5
151a641eb
hex12686b7

19302071 has 2 divisors, whose sum is σ = 19302072. Its totient is φ = 19302070.

The previous prime is 19302029. The next prime is 19302077. The reversal of 19302071 is 17020391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19302071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19302077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9651035 + 9651036.

It is an arithmetic number, because the mean of its divisors is an integer number (9651036).

Almost surely, 219302071 is an apocalyptic number.

19302071 is a deficient number, since it is larger than the sum of its proper divisors (1).

19302071 is an equidigital number, since it uses as much as digits as its factorization.

19302071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 19302071 is about 4393.4122274150. The cubic root of 19302071 is about 268.2468533821.

The spelling of 19302071 in words is "nineteen million, three hundred two thousand, seventy-one".