Base | Representation |
---|---|
bin | 111001101001… |
… | …1001101111011 |
3 | 2002212121021122 |
4 | 1303103031323 |
5 | 30214202100 |
6 | 2555455455 |
7 | 514624223 |
oct | 163231573 |
9 | 62777248 |
10 | 30225275 |
11 | 16074773 |
12 | a15758b |
13 | 63536a2 |
14 | 402b083 |
15 | 29c0985 |
hex | 1cd337b |
30225275 has 12 divisors (see below), whose sum is σ = 37630032. Its totient is φ = 24083040.
The previous prime is 30225271. The next prime is 30225281. The reversal of 30225275 is 57252203.
It is not a de Polignac number, because 30225275 - 22 = 30225271 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30225271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4277 + ... + 8873.
It is an arithmetic number, because the mean of its divisors is an integer number (3135836).
Almost surely, 230225275 is an apocalyptic number.
30225275 is a deficient number, since it is larger than the sum of its proper divisors (7404757).
30225275 is a wasteful number, since it uses less digits than its factorization.
30225275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4870 (or 4865 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 30225275 is about 5497.7518132415. The cubic root of 30225275 is about 311.4990694647.
Adding to 30225275 its reverse (57252203), we get a palindrome (87477478).
The spelling of 30225275 in words is "thirty million, two hundred twenty-five thousand, two hundred seventy-five".
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