Base | Representation |
---|---|
bin | 111010001111… |
… | …0001001101101 |
3 | 2010110012022102 |
4 | 1310132021231 |
5 | 30304012310 |
6 | 3010224445 |
7 | 520343114 |
oct | 164361155 |
9 | 63405272 |
10 | 30532205 |
11 | 16264330 |
12 | a285125 |
13 | 64302c2 |
14 | 40aac7b |
15 | 2a318a5 |
hex | 1d1e26d |
30532205 has 24 divisors (see below), whose sum is σ = 41070240. Its totient is φ = 21603840.
The previous prime is 30532189. The next prime is 30532213. The reversal of 30532205 is 50223503.
It is not a de Polignac number, because 30532205 - 24 = 30532189 is a prime.
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, 314717 + ... + 314813.
It is an arithmetic number, because the mean of its divisors is an integer number (1711260).
Almost surely, 230532205 is an apocalyptic number.
It is an amenable number.
30532205 is a deficient number, since it is larger than the sum of its proper divisors (10538035).
30532205 is an equidigital number, since it uses as much as digits as its factorization.
30532205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269 (or 172 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 20.
The square root of 30532205 is about 5525.5954430269. The cubic root of 30532205 is about 312.5499184257.
Adding to 30532205 its reverse (50223503), we get a palindrome (80755708).
It can be divided in two parts, 30 and 532205, that added together give a palindrome (532235).
The spelling of 30532205 in words is "thirty million, five hundred thirty-two thousand, two hundred five".
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