Search a number
-
+
19240033 is a prime number
BaseRepresentation
bin100100101100…
…1010001100001
31100012111100211
41021121101201
514411140113
61524214121
7322352251
oct111312141
940174324
1019240033
11a95135a
12653a341
133ca8547
1427ab961
151a50b3d
hex1259461

19240033 has 2 divisors, whose sum is σ = 19240034. Its totient is φ = 19240032.

The previous prime is 19240019. The next prime is 19240043. The reversal of 19240033 is 33004291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16184529 + 3055504 = 4023^2 + 1748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19240033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19239986 and 19240013.

It is not a weakly prime, because it can be changed into another prime (19240043) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9620016 + 9620017.

It is an arithmetic number, because the mean of its divisors is an integer number (9620017).

Almost surely, 219240033 is an apocalyptic number.

It is an amenable number.

19240033 is a deficient number, since it is larger than the sum of its proper divisors (1).

19240033 is an equidigital number, since it uses as much as digits as its factorization.

19240033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 19240033 is about 4386.3462015669. The cubic root of 19240033 is about 267.9591578439.

The spelling of 19240033 in words is "nineteen million, two hundred forty thousand, thirty-three".