Search a number
-
+
30163541 is a prime number
BaseRepresentation
bin111001100010…
…0001001010101
32002202110121012
41303010021111
530210213131
62554302005
7514246232
oct163041125
962673535
1030163541
1116032351
12a127905
136331565
144012789
1529ac52b
hex1cc4255

30163541 has 2 divisors, whose sum is σ = 30163542. Its totient is φ = 30163540.

The previous prime is 30163531. The next prime is 30163561. The reversal of 30163541 is 14536103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 461041 = 5450^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 30163541 - 26 = 30163477 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30163531) 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, 15081770 + 15081771.

It is an arithmetic number, because the mean of its divisors is an integer number (15081771).

Almost surely, 230163541 is an apocalyptic number.

It is an amenable number.

30163541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30163541 is an equidigital number, since it uses as much as digits as its factorization.

30163541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30163541 is about 5492.1344666714. The cubic root of 30163541 is about 311.2868498276.

Adding to 30163541 its reverse (14536103), we get a palindrome (44699644).

The spelling of 30163541 in words is "thirty million, one hundred sixty-three thousand, five hundred forty-one".