Base | Representation |
---|---|
bin | 110110100001… |
… | …0001001000001 |
3 | 1222210010202211 |
4 | 1231002021001 |
5 | 24304114330 |
6 | 2500342121 |
7 | 464642542 |
oct | 155021101 |
9 | 58703684 |
10 | 28582465 |
11 | 1515247a |
12 | 96a4941 |
13 | 5bc9a02 |
14 | 3b204c9 |
15 | 2798d2a |
hex | 1b42241 |
28582465 has 16 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 21758400.
The previous prime is 28582451. The next prime is 28582469. The reversal of 28582465 is 56428582.
It is not a de Polignac number, because 28582465 - 29 = 28581953 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28582469) 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, 7944 + ... + 10966.
It is an arithmetic number, because the mean of its divisors is an integer number (2249856).
Almost surely, 228582465 is an apocalyptic number.
It is an amenable number.
28582465 is a deficient number, since it is larger than the sum of its proper divisors (7415231).
28582465 is a wasteful number, since it uses less digits than its factorization.
28582465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3120.
The product of its digits is 153600, while the sum is 40.
The square root of 28582465 is about 5346.2571019359. The cubic root of 28582465 is about 305.7500664670.
The spelling of 28582465 in words is "twenty-eight million, five hundred eighty-two thousand, four hundred sixty-five".
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