Base | Representation |
---|---|
bin | 110101011111… |
… | …0101000010000 |
3 | 1221202202211222 |
4 | 1222332220100 |
5 | 24134400132 |
6 | 2441024212 |
7 | 460240220 |
oct | 152765020 |
9 | 57682758 |
10 | 28043792 |
11 | 14914797 |
12 | 9485068 |
13 | 5a6b77a |
14 | 3a20080 |
15 | 26de412 |
hex | 1abea10 |
28043792 has 40 divisors (see below), whose sum is σ = 62365056. Its totient is φ = 11966976.
The previous prime is 28043789. The next prime is 28043801. The reversal of 28043792 is 29734082.
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, 37373 + ... + 38115.
Almost surely, 228043792 is an apocalyptic number.
It is an amenable number.
28043792 is an abundant number, since it is smaller than the sum of its proper divisors (34321264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28043792 is a wasteful number, since it uses less digits than its factorization.
28043792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1095 (or 1089 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 28043792 is about 5295.6389605033. The cubic root of 28043792 is about 303.8171222333.
The spelling of 28043792 in words is "twenty-eight million, forty-three thousand, seven hundred ninety-two".
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