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19706053 is a prime number
BaseRepresentation
bin100101100101…
…1000011000101
31101002011121211
41023023003011
520021043203
61542211421
7326333023
oct113130305
941064554
1019706053
111013a4a4
126723b71
13410c6b3
14288d713
151ae3c6d
hex12cb0c5

19706053 has 2 divisors, whose sum is σ = 19706054. Its totient is φ = 19706052.

The previous prime is 19706039. The next prime is 19706069. The reversal of 19706053 is 35060791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 9253764 = 3233^2 + 3042^2 .

It is an emirp because it is prime and its reverse (35060791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19706053 - 213 = 19697861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19706003) 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, 9853026 + 9853027.

It is an arithmetic number, because the mean of its divisors is an integer number (9853027).

Almost surely, 219706053 is an apocalyptic number.

It is an amenable number.

19706053 is a deficient number, since it is larger than the sum of its proper divisors (1).

19706053 is an equidigital number, since it uses as much as digits as its factorization.

19706053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 19706053 is about 4439.1500312560. The cubic root of 19706053 is about 270.1053681109.

The spelling of 19706053 in words is "nineteen million, seven hundred six thousand, fifty-three".