Base | Representation |
---|---|
bin | 110101100001… |
… | …0101110101001 |
3 | 1221210121212221 |
4 | 1223002232221 |
5 | 24140414320 |
6 | 2441234041 |
7 | 460340200 |
oct | 153025651 |
9 | 57717787 |
10 | 28060585 |
11 | 14926373 |
12 | 9492921 |
13 | 5a762c7 |
14 | 3a26237 |
15 | 26e43aa |
hex | 1ac2ba9 |
28060585 has 24 divisors (see below), whose sum is σ = 39927816. Its totient is φ = 18869760.
The previous prime is 28060573. The next prime is 28060619. The reversal of 28060585 is 58506082.
It can be written as a sum of positive squares in 4 ways, for example, as 6456681 + 21603904 = 2541^2 + 4648^2 .
It is not a de Polignac number, because 28060585 - 29 = 28060073 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28060585.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 11905 + ... + 14065.
It is an arithmetic number, because the mean of its divisors is an integer number (1663659).
Almost surely, 228060585 is an apocalyptic number.
It is an amenable number.
28060585 is a deficient number, since it is larger than the sum of its proper divisors (11867231).
28060585 is a wasteful number, since it uses less digits than its factorization.
28060585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2233 (or 2226 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 28060585 is about 5297.2242731453. The cubic root of 28060585 is about 303.8777533929.
The spelling of 28060585 in words is "twenty-eight million, sixty thousand, five hundred eighty-five".
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