Base | Representation |
---|---|
bin | 111001110110… |
… | …0111111111011 |
3 | 2010001222010202 |
4 | 1303230333323 |
5 | 30231042000 |
6 | 3002032415 |
7 | 515544131 |
oct | 163547773 |
9 | 63058122 |
10 | 30330875 |
11 | 16137043 |
12 | a1a870b |
13 | 638c783 |
14 | 4057751 |
15 | 29e1dd5 |
hex | 1cecffb |
30330875 has 8 divisors (see below), whose sum is σ = 37853088. Its totient is φ = 24264600.
The previous prime is 30330871. The next prime is 30330889. The reversal of 30330875 is 57803303.
It is not a de Polignac number, because 30330875 - 22 = 30330871 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30330871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121199 + ... + 121448.
It is an arithmetic number, because the mean of its divisors is an integer number (4731636).
Almost surely, 230330875 is an apocalyptic number.
30330875 is a deficient number, since it is larger than the sum of its proper divisors (7522213).
30330875 is an equidigital number, since it uses as much as digits as its factorization.
30330875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242662 (or 242652 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 30330875 is about 5507.3473651114. The cubic root of 30330875 is about 311.8614159622.
The spelling of 30330875 in words is "thirty million, three hundred thirty thousand, eight hundred seventy-five".
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