Search a number
-
+
30534111 = 336716879
BaseRepresentation
bin111010001111…
…0100111011111
32010110021221000
41310132213133
530304042421
63010241343
7520351506
oct164364737
963407830
1030534111
1116265803
12a286253
13643112a
1440ab83d
152a32226
hex1d1e9df

30534111 has 16 divisors (see below), whose sum is σ = 45913600. Its totient is φ = 20051064.

The previous prime is 30534109. The next prime is 30534137. The reversal of 30534111 is 11143503.

It is not a de Polignac number, because 30534111 - 21 = 30534109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30534151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6631 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (2869600).

Almost surely, 230534111 is an apocalyptic number.

30534111 is a deficient number, since it is larger than the sum of its proper divisors (15379489).

30534111 is a wasteful number, since it uses less digits than its factorization.

30534111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16955 (or 16949 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 30534111 is about 5525.7679104356. The cubic root of 30534111 is about 312.5564220257.

Adding to 30534111 its reverse (11143503), we get a palindrome (41677614).

The spelling of 30534111 in words is "thirty million, five hundred thirty-four thousand, one hundred eleven".

Divisors: 1 3 9 27 67 201 603 1809 16879 50637 151911 455733 1130893 3392679 10178037 30534111