Base | Representation |
---|---|
bin | 10010010000100… |
… | …011100110101110 |
3 | 210100102011210200 |
4 | 102100203212232 |
5 | 1111410030110 |
6 | 50221414330 |
7 | 10406522316 |
oct | 2220434656 |
9 | 710364720 |
10 | 306330030 |
11 | 147a08316 |
12 | 8670a3a6 |
13 | 4b606096 |
14 | 2c980446 |
15 | 1bd5e6c0 |
hex | 124239ae |
306330030 has 96 divisors (see below), whose sum is σ = 830797344. Its totient is φ = 78236928.
The previous prime is 306330001. The next prime is 306330041. The reversal of 306330030 is 30033603.
306330030 is a `hidden beast` number, since 3 + 0 + 633 + 0 + 0 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 306329985 and 306330012.
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 47 ways as a sum of consecutive naturals, for example, 222424 + ... + 223796.
It is an arithmetic number, because the mean of its divisors is an integer number (8654139).
Almost surely, 2306330030 is an apocalyptic number.
306330030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 306330030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415398672).
306330030 is an abundant number, since it is smaller than the sum of its proper divisors (524467314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
306330030 is a wasteful number, since it uses less digits than its factorization.
306330030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1490 (or 1487 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 18.
The square root of 306330030 is about 17502.2864220650. The cubic root of 306330030 is about 674.1085846182.
Adding to 306330030 its reverse (30033603), we get a palindrome (336363633).
The spelling of 306330030 in words is "three hundred six million, three hundred thirty thousand, thirty".
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