Base | Representation |
---|---|
bin | 111001110111… |
… | …1010010000001 |
3 | 2010002102222001 |
4 | 1303233102001 |
5 | 30231341400 |
6 | 3002144001 |
7 | 515613316 |
oct | 163572201 |
9 | 63072861 |
10 | 30340225 |
11 | 16143073 |
12 | a1b2001 |
13 | 6393ac6 |
14 | 405ad0d |
15 | 29e4a6a |
hex | 1cef481 |
30340225 has 12 divisors (see below), whose sum is σ = 37896880. Its totient is φ = 24094800.
The previous prime is 30340201. The next prime is 30340229. The reversal of 30340225 is 52204303.
It is not a de Polignac number, because 30340225 - 213 = 30332033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30340229) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 891 + ... + 7840.
Almost surely, 230340225 is an apocalyptic number.
It is an amenable number.
30340225 is a deficient number, since it is larger than the sum of its proper divisors (7556655).
30340225 is a wasteful number, since it uses less digits than its factorization.
30340225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8880 (or 8875 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 30340225 is about 5508.1961657152. The cubic root of 30340225 is about 311.8934581708.
Adding to 30340225 its reverse (52204303), we get a palindrome (82544528).
The spelling of 30340225 in words is "thirty million, three hundred forty thousand, two hundred twenty-five".
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