Base | Representation |
---|---|
bin | 110101100100… |
… | …0111011111000 |
3 | 1221211220202112 |
4 | 1223020323320 |
5 | 24142223013 |
6 | 2441551452 |
7 | 460504256 |
oct | 153107370 |
9 | 57756675 |
10 | 28086008 |
11 | 14943485 |
12 | 94a5588 |
13 | 5a84a52 |
14 | 3a315d6 |
15 | 26ebba8 |
hex | 1ac8ef8 |
28086008 has 8 divisors (see below), whose sum is σ = 52661280. Its totient is φ = 14043000.
The previous prime is 28085987. The next prime is 28086017. The reversal of 28086008 is 80068082.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1755368 + ... + 1755383.
It is an arithmetic number, because the mean of its divisors is an integer number (6582660).
Almost surely, 228086008 is an apocalyptic number.
It is an amenable number.
28086008 is a deficient number, since it is larger than the sum of its proper divisors (24575272).
28086008 is a wasteful number, since it uses less digits than its factorization.
28086008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3510757 (or 3510753 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 28086008 is about 5299.6233828452. The cubic root of 28086008 is about 303.9694971703.
The spelling of 28086008 in words is "twenty-eight million, eighty-six thousand, eight".
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