Base | Representation |
---|---|
bin | 111001110101… |
… | …0111010000001 |
3 | 2010001112101100 |
4 | 1303222322001 |
5 | 30230303210 |
6 | 3001525013 |
7 | 515510136 |
oct | 163527201 |
9 | 63045340 |
10 | 30322305 |
11 | 16130662 |
12 | a1a3769 |
13 | 63888c0 |
14 | 405458d |
15 | 29de5c0 |
hex | 1ceae81 |
30322305 has 48 divisors (see below), whose sum is σ = 59950800. Its totient is φ = 14045184.
The previous prime is 30322291. The next prime is 30322337. The reversal of 30322305 is 50322303.
It can be written as a sum of positive squares in 8 ways, for example, as 3448449 + 26873856 = 1857^2 + 5184^2 .
It is not a de Polignac number, because 30322305 - 26 = 30322241 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8421 + ... + 11469.
It is an arithmetic number, because the mean of its divisors is an integer number (1248975).
Almost surely, 230322305 is an apocalyptic number.
It is an amenable number.
30322305 is a deficient number, since it is larger than the sum of its proper divisors (29628495).
30322305 is a wasteful number, since it uses less digits than its factorization.
30322305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3090 (or 3087 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 18.
The square root of 30322305 is about 5506.5692586219. The cubic root of 30322305 is about 311.8320410091.
Adding to 30322305 its reverse (50322303), we get a palindrome (80644608).
The spelling of 30322305 in words is "thirty million, three hundred twenty-two thousand, three hundred five".
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