Base | Representation |
---|---|
bin | 1000101100111000011110 |
3 | 11021212221010 |
4 | 20230320132 |
5 | 1040442430 |
6 | 120520050 |
7 | 25250055 |
oct | 10547036 |
9 | 4255833 |
10 | 2280990 |
11 | 1318818 |
12 | 920026 |
13 | 61b2ca |
14 | 43539c |
15 | 300cb0 |
hex | 22ce1e |
2280990 has 32 divisors (see below), whose sum is σ = 5523840. Its totient is φ = 602784.
The previous prime is 2280989. The next prime is 2281001. The reversal of 2280990 is 990822.
2280990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3897 + ... + 4443.
It is an arithmetic number, because the mean of its divisors is an integer number (172620).
22280990 is an apocalyptic number.
2280990 is an abundant number, since it is smaller than the sum of its proper divisors (3242850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2280990 is a wasteful number, since it uses less digits than its factorization.
2280990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 2280990 is about 1510.2946732343. The cubic root of 2280990 is about 131.6359343609.
The spelling of 2280990 in words is "two million, two hundred eighty thousand, nine hundred ninety".
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