Base | Representation |
---|---|
bin | 110101011110… |
… | …0011111111001 |
3 | 1221202022212202 |
4 | 1222330133321 |
5 | 24134110230 |
6 | 2440515545 |
7 | 460202612 |
oct | 152743771 |
9 | 57668782 |
10 | 28035065 |
11 | 14909183 |
12 | 947bbb5 |
13 | 5a677c6 |
14 | 3a1ac09 |
15 | 26dba45 |
hex | 1abc7f9 |
28035065 has 8 divisors (see below), whose sum is σ = 33681480. Its totient is φ = 22401792.
The previous prime is 28035061. The next prime is 28035071. The reversal of 28035065 is 56053082.
It can be written as a sum of positive squares in 4 ways, for example, as 6310144 + 21724921 = 2512^2 + 4661^2 .
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 28035065 - 22 = 28035061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28035061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 7823.
It is an arithmetic number, because the mean of its divisors is an integer number (4210185).
Almost surely, 228035065 is an apocalyptic number.
It is an amenable number.
28035065 is a deficient number, since it is larger than the sum of its proper divisors (5646415).
28035065 is a wasteful number, since it uses less digits than its factorization.
28035065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6571.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 28035065 is about 5294.8149165009. The cubic root of 28035065 is about 303.7856038244.
The spelling of 28035065 in words is "twenty-eight million, thirty-five thousand, sixty-five".
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