Base | Representation |
---|---|
bin | 111010000101… |
… | …0001001101010 |
3 | 2010022000221020 |
4 | 1310022021222 |
5 | 30243402112 |
6 | 3004353310 |
7 | 516552222 |
oct | 164121152 |
9 | 63260836 |
10 | 30450282 |
11 | 16208825 |
12 | a245836 |
13 | 6401c25 |
14 | 4089082 |
15 | 2a1748c |
hex | 1d0a26a |
30450282 has 32 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 9934848.
The previous prime is 30450269. The next prime is 30450283. The reversal of 30450282 is 28205403.
It is not an unprimeable number, because it can be changed into a prime (30450283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67594 + ... + 68042.
It is an arithmetic number, because the mean of its divisors is an integer number (1944000).
Almost surely, 230450282 is an apocalyptic number.
30450282 is an abundant number, since it is smaller than the sum of its proper divisors (31757718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30450282 is a wasteful number, since it uses less digits than its factorization.
30450282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 30450282 is about 5518.1774165027. The cubic root of 30450282 is about 312.2701268415.
Adding to 30450282 its reverse (28205403), we get a palindrome (58655685).
The spelling of 30450282 in words is "thirty million, four hundred fifty thousand, two hundred eighty-two".
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