Base | Representation |
---|---|
bin | 1010001111000110010001 |
3 | 12001022202210 |
4 | 22033012101 |
5 | 1141331111 |
6 | 133302333 |
7 | 31543656 |
oct | 12170621 |
9 | 5038683 |
10 | 2683281 |
11 | 1572a97 |
12 | a949a9 |
13 | 72c453 |
14 | 4dbc2d |
15 | 3800a6 |
hex | 28f191 |
2683281 has 4 divisors (see below), whose sum is σ = 3577712. Its totient is φ = 1788852.
The previous prime is 2683259. The next prime is 2683319. The reversal of 2683281 is 1823862.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 2683281 - 26 = 2683217 is a prime.
It is a super-2 number, since 2×26832812 = 14399993849922, which contains 22 as substring.
It is a D-number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2683201) 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, 447211 + ... + 447216.
It is an arithmetic number, because the mean of its divisors is an integer number (894428).
22683281 is an apocalyptic number.
It is an amenable number.
2683281 is a deficient number, since it is larger than the sum of its proper divisors (894431).
2683281 is an equidigital number, since it uses as much as digits as its factorization.
2683281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 894430.
The product of its digits is 4608, while the sum is 30.
The square root of 2683281 is about 1638.0723427248. The cubic root of 2683281 is about 138.9596522128.
The spelling of 2683281 in words is "two million, six hundred eighty-three thousand, two hundred eighty-one".
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