Base | Representation |
---|---|
bin | 111001110011… |
… | …0100010101110 |
3 | 2010000121212022 |
4 | 1303212202232 |
5 | 30224220210 |
6 | 3001310142 |
7 | 515404052 |
oct | 163464256 |
9 | 63017768 |
10 | 30304430 |
11 | 16119192 |
12 | a195352 |
13 | 6380720 |
14 | 404bc62 |
15 | 29d9155 |
hex | 1ce68ae |
30304430 has 32 divisors (see below), whose sum is σ = 61840800. Its totient is φ = 10599552.
The previous prime is 30304429. The next prime is 30304451. The reversal of 30304430 is 3440303.
It is a junction number, because it is equal to n+sod(n) for n = 30304399 and 30304408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3665 + ... + 8604.
It is an arithmetic number, because the mean of its divisors is an integer number (1932525).
Almost surely, 230304430 is an apocalyptic number.
30304430 is an abundant number, since it is smaller than the sum of its proper divisors (31536370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30304430 is a wasteful number, since it uses less digits than its factorization.
30304430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12308.
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 30304430 is about 5504.9459579545. The cubic root of 30304430 is about 311.7707539644.
Adding to 30304430 its reverse (3440303), we get a palindrome (33744733).
The spelling of 30304430 in words is "thirty million, three hundred four thousand, four hundred thirty".
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