Base | Representation |
---|---|
bin | 110101010111… |
… | …1010001101100 |
3 | 1221122120120221 |
4 | 1222233101230 |
5 | 24130342113 |
6 | 2435421124 |
7 | 456555664 |
oct | 152572154 |
9 | 57576527 |
10 | 27980908 |
11 | 1488151a |
12 | 94547a4 |
13 | 5a48c67 |
14 | 3a051a4 |
15 | 26ca98d |
hex | 1aaf46c |
27980908 has 6 divisors (see below), whose sum is σ = 48966596. Its totient is φ = 13990452.
The previous prime is 27980837. The next prime is 27980987. The reversal of 27980908 is 80908972.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497610 + ... + 3497617.
Almost surely, 227980908 is an apocalyptic number.
It is an amenable number.
27980908 is a deficient number, since it is larger than the sum of its proper divisors (20985688).
27980908 is a wasteful number, since it uses less digits than its factorization.
27980908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6995231 (or 6995229 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 43.
The square root of 27980908 is about 5289.6982900729. The cubic root of 27980908 is about 303.5898641656.
The spelling of 27980908 in words is "twenty-seven million, nine hundred eighty thousand, nine hundred eight".
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