Base | Representation |
---|---|
bin | 110111000011… |
… | …1100111100010 |
3 | 2000022121010201 |
4 | 1232013213202 |
5 | 24342221132 |
6 | 2510415414 |
7 | 500236321 |
oct | 156074742 |
9 | 60277121 |
10 | 28867042 |
11 | 15327266 |
12 | 980156a |
13 | 5c993b9 |
14 | 3b960b8 |
15 | 28032e7 |
hex | 1b879e2 |
28867042 has 8 divisors (see below), whose sum is σ = 45579600. Its totient is φ = 13673844.
The previous prime is 28867039. The next prime is 28867063. The reversal of 28867042 is 24076882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×288670422 = 1666612227659528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28866992 and 28867010.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379792 + ... + 379867.
It is an arithmetic number, because the mean of its divisors is an integer number (5697450).
Almost surely, 228867042 is an apocalyptic number.
28867042 is a deficient number, since it is larger than the sum of its proper divisors (16712558).
28867042 is a wasteful number, since it uses less digits than its factorization.
28867042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 759680.
The product of its (nonzero) digits is 43008, while the sum is 37.
The square root of 28867042 is about 5372.8057846902. The cubic root of 28867042 is about 306.7614354765.
The spelling of 28867042 in words is "twenty-eight million, eight hundred sixty-seven thousand, forty-two".
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