Base | Representation |
---|---|
bin | 110110111111… |
… | …1010001001011 |
3 | 2000020212020002 |
4 | 1231333101023 |
5 | 24340122333 |
6 | 2505553215 |
7 | 500034524 |
oct | 155772113 |
9 | 60225202 |
10 | 28832843 |
11 | 153035a6 |
12 | 97a580b |
13 | 5c86970 |
14 | 3b8784b |
15 | 27e80e8 |
hex | 1b7f44b |
28832843 has 4 divisors (see below), whose sum is σ = 31050768. Its totient is φ = 26614920.
The previous prime is 28832827. The next prime is 28832851. The reversal of 28832843 is 34823882.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28832843 - 24 = 28832827 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28832797 and 28832806.
It is not an unprimeable number, because it can be changed into a prime (28832803) 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, 1108943 + ... + 1108968.
It is an arithmetic number, because the mean of its divisors is an integer number (7762692).
Almost surely, 228832843 is an apocalyptic number.
28832843 is a deficient number, since it is larger than the sum of its proper divisors (2217925).
28832843 is a wasteful number, since it uses less digits than its factorization.
28832843 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2217924.
The product of its digits is 73728, while the sum is 38.
The square root of 28832843 is about 5369.6222399718. The cubic root of 28832843 is about 306.6402467525.
The spelling of 28832843 in words is "twenty-eight million, eight hundred thirty-two thousand, eight hundred forty-three".
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