Base | Representation |
---|---|
bin | 111001001110… |
… | …1100000110100 |
3 | 2002110102112102 |
4 | 1302131200310 |
5 | 30140132200 |
6 | 2551041232 |
7 | 513020003 |
oct | 162354064 |
9 | 62412472 |
10 | 30005300 |
11 | 15a34476 |
12 | a070218 |
13 | 62a7520 |
14 | 3db0c3a |
15 | 297a6d5 |
hex | 1c9d834 |
30005300 has 36 divisors (see below), whose sum is σ = 70123116. Its totient is φ = 11078400.
The previous prime is 30005299. The next prime is 30005309. The reversal of 30005300 is 350003.
It can be written as a sum of positive squares in 6 ways, for example, as 3400336 + 26604964 = 1844^2 + 5158^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30005309) 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, 10241 + ... + 12840.
Almost surely, 230005300 is an apocalyptic number.
It is an amenable number.
30005300 is an abundant number, since it is smaller than the sum of its proper divisors (40117816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30005300 is a wasteful number, since it uses less digits than its factorization.
30005300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23108 (or 23101 counting only the distinct ones).
The product of its (nonzero) digits is 45, while the sum is 11.
The square root of 30005300 is about 5477.7093752772. The cubic root of 30005300 is about 310.7415476649.
Adding to 30005300 its reverse (350003), we get a palindrome (30355303).
The spelling of 30005300 in words is "thirty million, five thousand, three hundred".
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