| Base | Representation |
|---|---|
| bin | 111001110010… |
| … | …1011101100000 |
| 3 | 2010000101210020 |
| 4 | 1303211131200 |
| 5 | 30224100000 |
| 6 | 3001233440 |
| 7 | 515355123 |
| oct | 163453540 |
| 9 | 63011706 |
| 10 | 30300000 |
| 11 | 16115925 |
| 12 | a192880 |
| 13 | 637b6c3 |
| 14 | 404a3ba |
| 15 | 29d7ba0 |
| hex | 1ce5760 |
30300000 has 144 divisors (see below), whose sum is σ = 100399824. Its totient is φ = 8000000.
The previous prime is 30299999. The next prime is 30300073. The reversal of 30300000 is 303.
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 congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 299950 + ... + 300050.
It is an arithmetic number, because the mean of its divisors is an integer number (697221).
Almost surely, 230300000 is an apocalyptic number.
30300000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50199912).
30300000 is an abundant number, since it is smaller than the sum of its proper divisors (70099824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30300000 is an equidigital number, since it uses as much as digits as its factorization.
30300000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 6.
The square root of 30300000 is about 5504.5435778092. The cubic root of 30300000 is about 311.7555613370.
Adding to 30300000 its reverse (303), we get a palindrome (30300303).
30300000 divided by its reverse (303) gives a 5-th power (100000 = 105).
It can be divided in two parts, 30 and 300000, that multiplied together give a square (9000000 = 30002).
The spelling of 30300000 in words is "thirty million, three hundred thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •