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30116105 = 56023221
BaseRepresentation
bin111001011100…
…0100100001001
32002200001112022
41302320210021
530202203410
62553254225
7513661025
oct162704411
962601468
1030116105
1115aaa748
12a104375
136315aa6
143ddd385
15299d455
hex1cb8909

30116105 has 4 divisors (see below), whose sum is σ = 36139332. Its totient is φ = 24092880.

The previous prime is 30116101. The next prime is 30116153. The reversal of 30116105 is 50161103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16418704 + 13697401 = 4052^2 + 3701^2 .

It is not a de Polignac number, because 30116105 - 22 = 30116101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30116101) 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 in 3 ways as a sum of consecutive naturals, for example, 3011606 + ... + 3011615.

It is an arithmetic number, because the mean of its divisors is an integer number (9034833).

Almost surely, 230116105 is an apocalyptic number.

It is an amenable number.

30116105 is a deficient number, since it is larger than the sum of its proper divisors (6023227).

30116105 is an equidigital number, since it uses as much as digits as its factorization.

30116105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023226.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 30116105 is about 5487.8142279053. The cubic root of 30116105 is about 311.1235848410.

Adding to 30116105 its reverse (50161103), we get a palindrome (80277208).

The spelling of 30116105 in words is "thirty million, one hundred sixteen thousand, one hundred five".

Divisors: 1 5 6023221 30116105