Base | Representation |
---|---|
bin | 110101010111… |
… | …1000100010000 |
3 | 1221122112102002 |
4 | 1222233010100 |
5 | 24130330143 |
6 | 2435413132 |
7 | 456553325 |
oct | 152570420 |
9 | 57575362 |
10 | 27980048 |
11 | 14880908 |
12 | 94541a8 |
13 | 5a48755 |
14 | 3a04b4c |
15 | 26ca5b8 |
hex | 1aaf110 |
27980048 has 20 divisors (see below), whose sum is σ = 54395328. Its totient is φ = 13942560.
The previous prime is 27980039. The next prime is 27980059. The reversal of 27980048 is 84008972.
It is a junction number, because it is equal to n+sod(n) for n = 27979993 and 27980020.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 2165 + ... + 7787.
Almost surely, 227980048 is an apocalyptic number.
It is an amenable number.
27980048 is a deficient number, since it is larger than the sum of its proper divisors (26415280).
27980048 is a wasteful number, since it uses less digits than its factorization.
27980048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5942 (or 5936 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 27980048 is about 5289.6169993677. The cubic root of 27980048 is about 303.5867538310.
The spelling of 27980048 in words is "twenty-seven million, nine hundred eighty thousand, forty-eight".
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