Base | Representation |
---|---|
bin | 110111000101… |
… | …1100001100010 |
3 | 2000100102002022 |
4 | 1232023201202 |
5 | 24343224132 |
6 | 2511021442 |
7 | 500334056 |
oct | 156134142 |
9 | 60312068 |
10 | 28883042 |
11 | 15338291 |
12 | 980a882 |
13 | 5ca3776 |
14 | 3b9bc66 |
15 | 2807e12 |
hex | 1b8b862 |
28883042 has 8 divisors (see below), whose sum is σ = 43575516. Its totient is φ = 14357872.
The previous prime is 28883027. The next prime is 28883047. The reversal of 28883042 is 24038882.
It can be written as a sum of positive squares in 2 ways, for example, as 22477081 + 6405961 = 4741^2 + 2531^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28882993 and 28883011.
It is not an unprimeable number, because it can be changed into a prime (28883047) 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, 41393 + ... + 42084.
Almost surely, 228883042 is an apocalyptic number.
28883042 is a deficient number, since it is larger than the sum of its proper divisors (14692474).
28883042 is a wasteful number, since it uses less digits than its factorization.
28883042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83652.
The product of its (nonzero) digits is 24576, while the sum is 35.
The square root of 28883042 is about 5374.2945583583. The cubic root of 28883042 is about 306.8181007494.
It can be divided in two parts, 2888 and 3042, that multiplied together give a square (8785296 = 29642).
The spelling of 28883042 in words is "twenty-eight million, eight hundred eighty-three thousand, forty-two".
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