Base | Representation |
---|---|
bin | 110111000101… |
… | …1010011000101 |
3 | 2000100100211001 |
4 | 1232023103011 |
5 | 24343211432 |
6 | 2511013301 |
7 | 500331265 |
oct | 156132305 |
9 | 60310731 |
10 | 28882117 |
11 | 15337620 |
12 | 980a231 |
13 | 5ca3214 |
14 | 3b9b7a5 |
15 | 28079e7 |
hex | 1b8b4c5 |
28882117 has 8 divisors (see below), whose sum is σ = 31550400. Its totient is φ = 26220960.
The previous prime is 28882103. The next prime is 28882129. The reversal of 28882117 is 71128882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28882117 - 211 = 28880069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28882417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10288 + ... + 12790.
It is an arithmetic number, because the mean of its divisors is an integer number (3943800).
Almost surely, 228882117 is an apocalyptic number.
It is an amenable number.
28882117 is a deficient number, since it is larger than the sum of its proper divisors (2668283).
28882117 is a wasteful number, since it uses less digits than its factorization.
28882117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3563.
The product of its digits is 14336, while the sum is 37.
The square root of 28882117 is about 5374.2084998630. The cubic root of 28882117 is about 306.8148253583.
It can be divided in two parts, 2888 and 2117, that added together give a palindrome (5005).
The spelling of 28882117 in words is "twenty-eight million, eight hundred eighty-two thousand, one hundred seventeen".
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