Base | Representation |
---|---|
bin | 1000101100111000011001 |
3 | 11021212220221 |
4 | 20230320121 |
5 | 1040442420 |
6 | 120520041 |
7 | 25250050 |
oct | 10547031 |
9 | 4255827 |
10 | 2280985 |
11 | 1318813 |
12 | 920021 |
13 | 61b2c5 |
14 | 435397 |
15 | 300caa |
hex | 22ce19 |
2280985 has 8 divisors (see below), whose sum is σ = 3128256. Its totient is φ = 1564080.
The previous prime is 2280983. The next prime is 2280989. The reversal of 2280985 is 5890822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2280985 - 21 = 2280983 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 2280985.
It is not an unprimeable number, because it can be changed into a prime (2280983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32551 + ... + 32620.
It is an arithmetic number, because the mean of its divisors is an integer number (391032).
22280985 is an apocalyptic number.
It is an amenable number.
2280985 is a deficient number, since it is larger than the sum of its proper divisors (847271).
2280985 is an equidigital number, since it uses as much as digits as its factorization.
2280985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65183.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 2280985 is about 1510.2930179273. The cubic root of 2280985 is about 131.6358381775.
The spelling of 2280985 in words is "two million, two hundred eighty thousand, nine hundred eighty-five".
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