Base | Representation |
---|---|
bin | 111001110110… |
… | …0110110010100 |
3 | 2010001221021222 |
4 | 1303230312110 |
5 | 30231032020 |
6 | 3002025512 |
7 | 515542262 |
oct | 163546624 |
9 | 63057258 |
10 | 30330260 |
11 | 16136634 |
12 | a1a8298 |
13 | 638c3cc |
14 | 4057432 |
15 | 29e1b25 |
hex | 1cecd94 |
30330260 has 12 divisors (see below), whose sum is σ = 63693588. Its totient is φ = 12132096.
The previous prime is 30330247. The next prime is 30330271. The reversal of 30330260 is 6203303.
It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 25542916 = 2188^2 + 5054^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758237 + ... + 758276.
It is an arithmetic number, because the mean of its divisors is an integer number (5307799).
Almost surely, 230330260 is an apocalyptic number.
It is an amenable number.
30330260 is an abundant number, since it is smaller than the sum of its proper divisors (33363328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330260 is a wasteful number, since it uses less digits than its factorization.
30330260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1516522 (or 1516520 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 30330260 is about 5507.2915303260. The cubic root of 30330260 is about 311.8593081423.
Adding to 30330260 its reverse (6203303), we get a palindrome (36533563).
The spelling of 30330260 in words is "thirty million, three hundred thirty thousand, two hundred sixty".
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