Base | Representation |
---|---|
bin | 110111000101… |
… | …1011100011001 |
3 | 2000100101122010 |
4 | 1232023130121 |
5 | 24343221323 |
6 | 2511020133 |
7 | 500333106 |
oct | 156133431 |
9 | 60311563 |
10 | 28882713 |
11 | 15338012 |
12 | 980a649 |
13 | 5ca3582 |
14 | 3b9baad |
15 | 2807c93 |
hex | 1b8b719 |
28882713 has 16 divisors (see below), whose sum is σ = 39655616. Its totient is φ = 18688320.
The previous prime is 28882703. The next prime is 28882739. The reversal of 28882713 is 31728882.
It is not a de Polignac number, because 28882713 - 214 = 28866329 is a prime.
It is a super-2 number, since 2×288827132 = 1668422220480738, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28882703) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22731 + ... + 23967.
It is an arithmetic number, because the mean of its divisors is an integer number (2478476).
Almost surely, 228882713 is an apocalyptic number.
It is an amenable number.
28882713 is a deficient number, since it is larger than the sum of its proper divisors (10772903).
28882713 is a wasteful number, since it uses less digits than its factorization.
28882713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1464.
The product of its digits is 43008, while the sum is 39.
The square root of 28882713 is about 5374.2639496028. The cubic root of 28882713 is about 306.8169357804.
The spelling of 28882713 in words is "twenty-eight million, eight hundred eighty-two thousand, seven hundred thirteen".
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