Base | Representation |
---|---|
bin | 111001011110… |
… | …0011101001101 |
3 | 2002200212101200 |
4 | 1302330131031 |
5 | 30203211140 |
6 | 2553500113 |
7 | 514055346 |
oct | 162743515 |
9 | 62625350 |
10 | 30132045 |
11 | 16010719 |
12 | a111639 |
13 | 6320118 |
14 | 40050cd |
15 | 29a3030 |
hex | 1cbc74d |
30132045 has 24 divisors (see below), whose sum is σ = 52970112. Its totient is φ = 15842400.
The previous prime is 30132019. The next prime is 30132061. The reversal of 30132045 is 54023103.
30132045 is a `hidden beast` number, since 301 + 320 + 45 = 666.
It is not a de Polignac number, because 30132045 - 25 = 30132013 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1521 + ... + 7910.
It is an arithmetic number, because the mean of its divisors is an integer number (2207088).
Almost surely, 230132045 is an apocalyptic number.
It is an amenable number.
30132045 is a deficient number, since it is larger than the sum of its proper divisors (22838067).
30132045 is a wasteful number, since it uses less digits than its factorization.
30132045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9513 (or 9510 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 30132045 is about 5489.2663444216. The cubic root of 30132045 is about 311.1784661659.
Adding to 30132045 its reverse (54023103), we get a palindrome (84155148).
The spelling of 30132045 in words is "thirty million, one hundred thirty-two thousand, forty-five".
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