Search a number
-
+
19085029 is a prime number
BaseRepresentation
bin100100011001…
…1011011100101
31022220121201221
41020303123211
514341210104
61521020341
7321135325
oct110633345
938817657
1019085029
11a855957
1264846b1
133c52b22
14276b285
151a1ec54
hex12336e5

19085029 has 2 divisors, whose sum is σ = 19085030. Its totient is φ = 19085028.

The previous prime is 19085021. The next prime is 19085039. The reversal of 19085029 is 92058091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 8208225 = 3298^2 + 2865^2 .

It is an emirp because it is prime and its reverse (92058091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19085029 - 23 = 19085021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19084985 and 19085003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19085021) 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, 9542514 + 9542515.

It is an arithmetic number, because the mean of its divisors is an integer number (9542515).

Almost surely, 219085029 is an apocalyptic number.

It is an amenable number.

19085029 is a deficient number, since it is larger than the sum of its proper divisors (1).

19085029 is an equidigital number, since it uses as much as digits as its factorization.

19085029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 19085029 is about 4368.6415508714. The cubic root of 19085029 is about 267.2376278552.

The spelling of 19085029 in words is "nineteen million, eighty-five thousand, twenty-nine".