Search a number
-
+
30111329 = 103292343
BaseRepresentation
bin111001011011…
…1011001100001
32002122210222102
41302313121201
530202030304
62553220145
7513641063
oct162673141
962583872
1030111329
1115aa70a6
12a101655
136313871
143ddb733
15299bd1e
hex1cb7661

30111329 has 4 divisors (see below), whose sum is σ = 30403776. Its totient is φ = 29818884.

The previous prime is 30111271. The next prime is 30111353. The reversal of 30111329 is 92311103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30111329 - 220 = 29062753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30111329.

It is not an unprimeable number, because it can be changed into a prime (30111379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146069 + ... + 146274.

It is an arithmetic number, because the mean of its divisors is an integer number (7600944).

Almost surely, 230111329 is an apocalyptic number.

It is an amenable number.

30111329 is a deficient number, since it is larger than the sum of its proper divisors (292447).

30111329 is a wasteful number, since it uses less digits than its factorization.

30111329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292446.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 30111329 is about 5487.3790647266. The cubic root of 30111329 is about 311.1071373311.

The spelling of 30111329 in words is "thirty million, one hundred eleven thousand, three hundred twenty-nine".

Divisors: 1 103 292343 30111329