Base | Representation |
---|---|
bin | 1010110010111111001101 |
3 | 12022210102101 |
4 | 22302333031 |
5 | 1211032120 |
6 | 140355101 |
7 | 33025363 |
oct | 12627715 |
9 | 5283371 |
10 | 2830285 |
11 | 1663487 |
12 | b45a91 |
13 | 781333 |
14 | 539633 |
15 | 3ad90a |
hex | 2b2fcd |
2830285 has 4 divisors (see below), whose sum is σ = 3396348. Its totient is φ = 2264224.
The previous prime is 2830277. The next prime is 2830291. The reversal of 2830285 is 5820382.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 808201 + 2022084 = 899^2 + 1422^2 .
It is a cyclic number.
It is not a de Polignac number, because 2830285 - 23 = 2830277 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283024 + ... + 283033.
It is an arithmetic number, because the mean of its divisors is an integer number (849087).
22830285 is an apocalyptic number.
It is an amenable number.
2830285 is a deficient number, since it is larger than the sum of its proper divisors (566063).
2830285 is an equidigital number, since it uses as much as digits as its factorization.
2830285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 566062.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 2830285 is about 1682.3450894510. The cubic root of 2830285 is about 141.4523140476.
The spelling of 2830285 in words is "two million, eight hundred thirty thousand, two hundred eighty-five".
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