Base | Representation |
---|---|
bin | 1000100000100000010010 |
3 | 11012022101100 |
4 | 20200200102 |
5 | 1032332130 |
6 | 115445230 |
7 | 24646206 |
oct | 10404022 |
9 | 4168340 |
10 | 2230290 |
11 | 1293717 |
12 | 8b6816 |
13 | 6011ca |
14 | 420b06 |
15 | 2e0c60 |
hex | 220812 |
2230290 has 24 divisors (see below), whose sum is σ = 5798988. Its totient is φ = 594720.
The previous prime is 2230253. The next prime is 2230301. The reversal of 2230290 is 920322.
It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 42849 = 1479^2 + 207^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a d-powerful number, because it can be written as 211 + 217 + 32 + 0 + 221 + 9 + 0 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12301 + ... + 12480.
22230290 is an apocalyptic number.
2230290 is an abundant number, since it is smaller than the sum of its proper divisors (3568698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2230290 is a wasteful number, since it uses less digits than its factorization.
2230290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24794 (or 24791 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2230290 is about 1493.4155483321. The cubic root of 2230290 is about 130.6533187231.
The spelling of 2230290 in words is "two million, two hundred thirty thousand, two hundred ninety".
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