Base | Representation |
---|---|
bin | 110101100011… |
… | …1100101010011 |
3 | 1221211122011022 |
4 | 1223013211103 |
5 | 24142033332 |
6 | 2441510055 |
7 | 460452152 |
oct | 153074523 |
9 | 57748138 |
10 | 28080467 |
11 | 1493a2a8 |
12 | 94a232b |
13 | 5a8237c |
14 | 3a2d599 |
15 | 26ea212 |
hex | 1ac7953 |
28080467 has 4 divisors (see below), whose sum is σ = 28098000. Its totient is φ = 28062936.
The previous prime is 28080463. The next prime is 28080469. The reversal of 28080467 is 76408082.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28080467 - 22 = 28080463 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28080463) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6092 + ... + 9657.
It is an arithmetic number, because the mean of its divisors is an integer number (7024500).
Almost surely, 228080467 is an apocalyptic number.
28080467 is a deficient number, since it is larger than the sum of its proper divisors (17533).
28080467 is a wasteful number, since it uses less digits than its factorization.
28080467 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17532.
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 28080467 is about 5299.1005840614. The cubic root of 28080467 is about 303.9495061276.
The spelling of 28080467 in words is "twenty-eight million, eighty thousand, four hundred sixty-seven".
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