Base | Representation |
---|---|
bin | 111110000111… |
… | …100110110101 |
3 | 1010122022120021 |
4 | 332013212311 |
5 | 13132042320 |
6 | 1341005141 |
7 | 255261316 |
oct | 76074665 |
9 | 33568507 |
10 | 16284085 |
11 | 9212524 |
12 | 55537b1 |
13 | 34b1c6c |
14 | 223c60d |
15 | 1669daa |
hex | f879b5 |
16284085 has 4 divisors (see below), whose sum is σ = 19540908. Its totient is φ = 13027264.
The previous prime is 16284071. The next prime is 16284089. The reversal of 16284085 is 58048261.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58048261 = 7589 ⋅7649.
It can be written as a sum of positive squares in 2 ways, for example, as 12666481 + 3617604 = 3559^2 + 1902^2 .
It is a cyclic number.
It is not a de Polignac number, because 16284085 - 25 = 16284053 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 16284085.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16284089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628404 + ... + 1628413.
It is an arithmetic number, because the mean of its divisors is an integer number (4885227).
Almost surely, 216284085 is an apocalyptic number.
It is an amenable number.
16284085 is a deficient number, since it is larger than the sum of its proper divisors (3256823).
16284085 is an equidigital number, since it uses as much as digits as its factorization.
16284085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3256822.
The product of its (nonzero) digits is 15360, while the sum is 34.
The square root of 16284085 is about 4035.3543834464. The cubic root of 16284085 is about 253.4668223460.
The spelling of 16284085 in words is "sixteen million, two hundred eighty-four thousand, eighty-five".
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