Base | Representation |
---|---|
bin | 111001010010… |
… | …1100111011000 |
3 | 2002112010001121 |
4 | 1302211213120 |
5 | 30142212423 |
6 | 2551455024 |
7 | 513215524 |
oct | 162454730 |
9 | 62463047 |
10 | 30038488 |
11 | 15a573a7 |
12 | a087474 |
13 | 62b966c |
14 | 3dbcd84 |
15 | 298545d |
hex | 1ca59d8 |
30038488 has 8 divisors (see below), whose sum is σ = 56322180. Its totient is φ = 15019240.
The previous prime is 30038429. The next prime is 30038497. The reversal of 30038488 is 88483003.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×300384882 = 1804621522652288, which contains 22 as substring.
It is a congruent number.
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 as a sum of consecutive naturals, namely, 1877398 + ... + 1877413.
Almost surely, 230038488 is an apocalyptic number.
It is an amenable number.
30038488 is a deficient number, since it is larger than the sum of its proper divisors (26283692).
30038488 is a wasteful number, since it uses less digits than its factorization.
30038488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3754817 (or 3754813 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 30038488 is about 5480.7379065232. The cubic root of 30038488 is about 310.8560728827.
The spelling of 30038488 in words is "thirty million, thirty-eight thousand, four hundred eighty-eight".
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