Base | Representation |
---|---|
bin | 111001110110… |
… | …0111010100010 |
3 | 2010001221122222 |
4 | 1303230322202 |
5 | 30231034110 |
6 | 3002031042 |
7 | 515543126 |
oct | 163547242 |
9 | 63057588 |
10 | 30330530 |
11 | 1613685a |
12 | a1a8482 |
13 | 638c579 |
14 | 4057586 |
15 | 29e1c55 |
hex | 1cecea2 |
30330530 has 8 divisors (see below), whose sum is σ = 54594972. Its totient is φ = 12132208.
The previous prime is 30330527. The next prime is 30330571. The reversal of 30330530 is 3503303.
It can be written as a sum of positive squares in 2 ways, for example, as 30327049 + 3481 = 5507^2 + 59^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30330499 and 30330508.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516517 + ... + 1516536.
Almost surely, 230330530 is an apocalyptic number.
30330530 is a deficient number, since it is larger than the sum of its proper divisors (24264442).
30330530 is a wasteful number, since it uses less digits than its factorization.
30330530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3033060.
The product of its (nonzero) digits is 405, while the sum is 17.
The square root of 30330530 is about 5507.3160432283. The cubic root of 30330530 is about 311.8602335302.
Adding to 30330530 its reverse (3503303), we get a palindrome (33833833).
The spelling of 30330530 in words is "thirty million, three hundred thirty thousand, five hundred thirty".
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