Base | Representation |
---|---|
bin | 110101100011… |
… | …1010000001110 |
3 | 1221211120022100 |
4 | 1223013100032 |
5 | 24142012433 |
6 | 2441455530 |
7 | 460445214 |
oct | 153072016 |
9 | 57746270 |
10 | 28079118 |
11 | 14939291 |
12 | 94a15a6 |
13 | 5a81882 |
14 | 3a2ccb4 |
15 | 26e9b13 |
hex | 1ac740e |
28079118 has 24 divisors (see below), whose sum is σ = 62801856. Its totient is φ = 9057600.
The previous prime is 28079089. The next prime is 28079147. The reversal of 28079118 is 81197082.
It is an interprime number because it is at equal distance from previous prime (28079089) and next prime (28079147).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24603 + ... + 25718.
It is an arithmetic number, because the mean of its divisors is an integer number (2616744).
Almost surely, 228079118 is an apocalyptic number.
28079118 is an abundant number, since it is smaller than the sum of its proper divisors (34722738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28079118 is a wasteful number, since it uses less digits than its factorization.
28079118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50360 (or 50357 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 36.
The square root of 28079118 is about 5298.9732967812. The cubic root of 28079118 is about 303.9446387531.
The spelling of 28079118 in words is "twenty-eight million, seventy-nine thousand, one hundred eighteen".
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