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19514293 is a prime number
BaseRepresentation
bin100101001110…
…0001110110101
31100201102120121
41022130032311
514443424133
61534131541
7324603661
oct112341665
940642517
1019514293
1110019417
126650bb1
134073326
14283d8a1
151aa702d
hex129c3b5

19514293 has 2 divisors, whose sum is σ = 19514294. Its totient is φ = 19514292.

The previous prime is 19514269. The next prime is 19514329. The reversal of 19514293 is 39241591.

Together with next prime (19514329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10284849 + 9229444 = 3207^2 + 3038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19514293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19524293) 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, 9757146 + 9757147.

It is an arithmetic number, because the mean of its divisors is an integer number (9757147).

Almost surely, 219514293 is an apocalyptic number.

It is an amenable number.

19514293 is a deficient number, since it is larger than the sum of its proper divisors (1).

19514293 is an equidigital number, since it uses as much as digits as its factorization.

19514293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 19514293 is about 4417.4985002827. The cubic root of 19514293 is about 269.2263771570.

The spelling of 19514293 in words is "nineteen million, five hundred fourteen thousand, two hundred ninety-three".