Base | Representation |
---|---|
bin | 10001111000011… |
… | …010001100011110 |
3 | 202220111120200020 |
4 | 101320122030132 |
5 | 1103300000110 |
6 | 45434013010 |
7 | 10301646441 |
oct | 2170321436 |
9 | 686446606 |
10 | 300000030 |
11 | 144384510 |
12 | 84577166 |
13 | 4a1cab15 |
14 | 2bbb3658 |
15 | 1b50dd70 |
hex | 11e1a31e |
300000030 has 32 divisors (see below), whose sum is σ = 785455488. Its totient is φ = 72727200.
The previous prime is 300000007. The next prime is 300000031. The reversal of 300000030 is 30000003.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a junction number, because it is equal to n+sod(n) for n = 299999964 and 300000018.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300000031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454216 + ... + 454875.
It is an arithmetic number, because the mean of its divisors is an integer number (24545484).
Almost surely, 2300000030 is an apocalyptic number.
300000030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
300000030 is an abundant number, since it is smaller than the sum of its proper divisors (485455458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
300000030 is a wasteful number, since it uses less digits than its factorization.
300000030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909112.
The product of its (nonzero) digits is 9, while the sum is 6.
The square root of 300000030 is about 17320.5089417142. The cubic root of 300000030 is about 669.4329723966.
Adding to 300000030 its reverse (30000003), we get a palindrome (330000033).
The spelling of 300000030 in words is "three hundred million, thirty", and thus it is an aban number.
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