Base | Representation |
---|---|
bin | 1000101101000101110001 |
3 | 11021221002122 |
4 | 20231011301 |
5 | 1041004331 |
6 | 120524025 |
7 | 25252412 |
oct | 10550561 |
9 | 4257078 |
10 | 2281841 |
11 | 1319421 |
12 | 920615 |
13 | 61b803 |
14 | 435809 |
15 | 30117b |
hex | 22d171 |
2281841 has 4 divisors (see below), whose sum is σ = 2291184. Its totient is φ = 2272500.
The previous prime is 2281831. The next prime is 2281861. The reversal of 2281841 is 1481822.
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 a cyclic number.
It is not a de Polignac number, because 2281841 - 26 = 2281777 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 2281841.
It is not an unprimeable number, because it can be changed into a prime (2281831) 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, 4295 + ... + 4796.
It is an arithmetic number, because the mean of its divisors is an integer number (572796).
22281841 is an apocalyptic number.
It is an amenable number.
2281841 is a deficient number, since it is larger than the sum of its proper divisors (9343).
2281841 is an equidigital number, since it uses as much as digits as its factorization.
2281841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9342.
The product of its digits is 1024, while the sum is 26.
The square root of 2281841 is about 1510.5763800616. The cubic root of 2281841 is about 131.6523027290.
The spelling of 2281841 in words is "two million, two hundred eighty-one thousand, eight hundred forty-one".
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