Base | Representation |
---|---|
bin | 111001110010… |
… | …1100011100100 |
3 | 2010000102022121 |
4 | 1303211203210 |
5 | 30224103023 |
6 | 3001235324 |
7 | 515356216 |
oct | 163454344 |
9 | 63012277 |
10 | 30300388 |
11 | 16116148 |
12 | a192b44 |
13 | 637b931 |
14 | 404a5b6 |
15 | 29d7d5d |
hex | 1ce58e4 |
30300388 has 12 divisors (see below), whose sum is σ = 53122860. Its totient is φ = 15122432.
The previous prime is 30300359. The next prime is 30300397. The reversal of 30300388 is 88300303.
It can be written as a sum of positive squares in 2 ways, for example, as 7661824 + 22638564 = 2768^2 + 4758^2 .
It is a super-3 number, since 3×303003883 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4381 + ... + 8932.
It is an arithmetic number, because the mean of its divisors is an integer number (4426905).
Almost surely, 230300388 is an apocalyptic number.
It is an amenable number.
30300388 is a deficient number, since it is larger than the sum of its proper divisors (22822472).
30300388 is a wasteful number, since it uses less digits than its factorization.
30300388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13886 (or 13884 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 30300388 is about 5504.5788213087. The cubic root of 30300388 is about 311.7568920371.
The spelling of 30300388 in words is "thirty million, three hundred thousand, three hundred eighty-eight".
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