Base | Representation |
---|---|
bin | 1000100100010010001010 |
3 | 11020002121200 |
4 | 20210102022 |
5 | 1033331040 |
6 | 120045030 |
7 | 25042302 |
oct | 10442212 |
9 | 4202550 |
10 | 2245770 |
11 | 12a430a |
12 | 903776 |
13 | 608277 |
14 | 426602 |
15 | 2e5630 |
hex | 22448a |
2245770 has 24 divisors (see below), whose sum is σ = 5839236. Its totient is φ = 598848.
The previous prime is 2245759. The next prime is 2245783. The reversal of 2245770 is 775422.
It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 4761 = 1497^2 + 69^2 .
It is an Ulam number.
It is a plaindrome in base 16.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12387 + ... + 12566.
22245770 is an apocalyptic number.
2245770 is an abundant number, since it is smaller than the sum of its proper divisors (3593466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2245770 is a wasteful number, since it uses less digits than its factorization.
2245770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24966 (or 24963 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 27.
The square root of 2245770 is about 1498.5893366763. The cubic root of 2245770 is about 130.9549016332.
The spelling of 2245770 in words is "two million, two hundred forty-five thousand, seven hundred seventy".
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