Base | Representation |
---|---|
bin | 110101000110… |
… | …1100101110000 |
3 | 1221101120022120 |
4 | 1222031211300 |
5 | 24111433203 |
6 | 2432434240 |
7 | 455442501 |
oct | 152154560 |
9 | 57346276 |
10 | 27842928 |
11 | 14797893 |
12 | 93a8980 |
13 | 59cb209 |
14 | 39aaba8 |
15 | 269eb53 |
hex | 1a8d970 |
27842928 has 40 divisors (see below), whose sum is σ = 72245376. Its totient is φ = 9240000.
The previous prime is 27842917. The next prime is 27842953. The reversal of 27842928 is 82924872.
It is a super-2 number, since 2×278429282 = 1550457279226368, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 27842928.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10893 + ... + 13203.
Almost surely, 227842928 is an apocalyptic number.
It is an amenable number.
27842928 is an abundant number, since it is smaller than the sum of its proper divisors (44402448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27842928 is a wasteful number, since it uses less digits than its factorization.
27842928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2573 (or 2567 counting only the distinct ones).
The product of its digits is 129024, while the sum is 42.
The square root of 27842928 is about 5276.6398398981. The cubic root of 27842928 is about 303.0900188917.
The spelling of 27842928 in words is "twenty-seven million, eight hundred forty-two thousand, nine hundred twenty-eight".
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