Search a number
-
+
19183093 is a prime number
BaseRepresentation
bin100100100101…
…1010111110101
31100002121020221
41021023113311
514402324333
61523054341
7322024246
oct111132765
940077227
1019183093
11a9125a6
1265113b1
133c88657
142794ccd
151a3dd2d
hex124b5f5

19183093 has 2 divisors, whose sum is σ = 19183094. Its totient is φ = 19183092.

The previous prime is 19183091. The next prime is 19183139. The reversal of 19183093 is 39038191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19158129 + 24964 = 4377^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 19183093 - 21 = 19183091 is a prime.

Together with 19183091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19183091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9591546 + 9591547.

It is an arithmetic number, because the mean of its divisors is an integer number (9591547).

Almost surely, 219183093 is an apocalyptic number.

It is an amenable number.

19183093 is a deficient number, since it is larger than the sum of its proper divisors (1).

19183093 is an equidigital number, since it uses as much as digits as its factorization.

19183093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 19183093 is about 4379.8507965455. The cubic root of 19183093 is about 267.6945590145.

The spelling of 19183093 in words is "nineteen million, one hundred eighty-three thousand, ninety-three".