Base | Representation |
---|---|
bin | 1000100000100111001010 |
3 | 11012022222122 |
4 | 20200213022 |
5 | 1032340410 |
6 | 115451242 |
7 | 24650405 |
oct | 10404712 |
9 | 4168878 |
10 | 2230730 |
11 | 1293a87 |
12 | 8b6b22 |
13 | 601478 |
14 | 420d3c |
15 | 2e0e55 |
hex | 2209ca |
2230730 has 16 divisors (see below), whose sum is σ = 4124520. Its totient is φ = 868032.
The previous prime is 2230727. The next prime is 2230759. The reversal of 2230730 is 370322.
It can be written as a sum of positive squares in 4 ways, for example, as 2229049 + 1681 = 1493^2 + 41^2 .
It is a super-3 number, since 3×22307303 = 33301383649470051000, which contains 333 as substring.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2230699 and 2230708.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 3384.
22230730 is an apocalyptic number.
2230730 is a deficient number, since it is larger than the sum of its proper divisors (1893790).
2230730 is a wasteful number, since it uses less digits than its factorization.
2230730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6073.
The product of its (nonzero) digits is 252, while the sum is 17.
The square root of 2230730 is about 1493.5628543854. The cubic root of 2230730 is about 130.6619100842.
The spelling of 2230730 in words is "two million, two hundred thirty thousand, seven hundred thirty".
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