Base | Representation |
---|---|
bin | 110110011001… |
… | …0001010110001 |
3 | 1222122211000201 |
4 | 1230302022301 |
5 | 24300021131 |
6 | 2455115201 |
7 | 464251030 |
oct | 154621261 |
9 | 58584021 |
10 | 28517041 |
11 | 15108303 |
12 | 9672b01 |
13 | 5ba5cb7 |
14 | 3b04717 |
15 | 2784761 |
hex | 1b322b1 |
28517041 has 16 divisors (see below), whose sum is σ = 35316864. Its totient is φ = 22466304.
The previous prime is 28517039. The next prime is 28517051. The reversal of 28517041 is 14071582.
It is not a de Polignac number, because 28517041 - 21 = 28517039 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28517051) 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, 2331 + ... + 7903.
It is an arithmetic number, because the mean of its divisors is an integer number (2207304).
Almost surely, 228517041 is an apocalyptic number.
It is an amenable number.
28517041 is a deficient number, since it is larger than the sum of its proper divisors (6799823).
28517041 is a wasteful number, since it uses less digits than its factorization.
28517041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5640.
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 28517041 is about 5340.1349233891. The cubic root of 28517041 is about 305.5166054496.
The spelling of 28517041 in words is "twenty-eight million, five hundred seventeen thousand, forty-one".
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