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19792093 is a prime number
BaseRepresentation
bin100101110000…
…0000011011101
31101020112122111
41023200003131
520031321333
61544114021
7330141616
oct113400335
941215574
1019792093
1110199102
126765911
13413c8c9
1428b2c0d
151b0e4cd
hex12e00dd

19792093 has 2 divisors, whose sum is σ = 19792094. Its totient is φ = 19792092.

The previous prime is 19792079. The next prime is 19792109. The reversal of 19792093 is 39029791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11042329 + 8749764 = 3323^2 + 2958^2 .

It is an emirp because it is prime and its reverse (39029791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19792093 - 213 = 19783901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19792013) 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, 9896046 + 9896047.

It is an arithmetic number, because the mean of its divisors is an integer number (9896047).

Almost surely, 219792093 is an apocalyptic number.

It is an amenable number.

19792093 is a deficient number, since it is larger than the sum of its proper divisors (1).

19792093 is an equidigital number, since it uses as much as digits as its factorization.

19792093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 19792093 is about 4448.8305204851. The cubic root of 19792093 is about 270.4979061228.

The spelling of 19792093 in words is "nineteen million, seven hundred ninety-two thousand, ninety-three".