Base | Representation |
---|---|
bin | 111010111101… |
… | …1110110111110 |
3 | 2011011200211011 |
4 | 1311323312332 |
5 | 30403303110 |
6 | 3022345434 |
7 | 523532125 |
oct | 165736676 |
9 | 64150734 |
10 | 30916030 |
11 | 164a6742 |
12 | a42b27a |
13 | 6535c12 |
14 | 416aabc |
15 | 2aaa48a |
hex | 1d7bdbe |
30916030 has 32 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 11235840.
The previous prime is 30915977. The next prime is 30916033. The reversal of 30916030 is 3061903.
It is a junction number, because it is equal to n+sod(n) for n = 30915992 and 30916010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30916033) 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 15 ways as a sum of consecutive naturals, for example, 1795 + ... + 8065.
It is an arithmetic number, because the mean of its divisors is an integer number (1905120).
Almost surely, 230916030 is an apocalyptic number.
30916030 is a deficient number, since it is larger than the sum of its proper divisors (30047810).
30916030 is a wasteful number, since it uses less digits than its factorization.
30916030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6324.
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 30916030 is about 5560.2185208857. The cubic root of 30916030 is about 313.8541724845.
Adding to 30916030 its reverse (3061903), we get a palindrome (33977933).
The spelling of 30916030 in words is "thirty million, nine hundred sixteen thousand, thirty".
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