Base | Representation |
---|---|
bin | 11011100101010100001010 |
3 | 111121100200211 |
4 | 123211110022 |
5 | 3322340410 |
6 | 414551334 |
7 | 115313563 |
oct | 33452412 |
9 | 14540624 |
10 | 7230730 |
11 | 4099611 |
12 | 250854a |
13 | 1662250 |
14 | d6316a |
15 | 97c68a |
hex | 6e550a |
7230730 has 16 divisors (see below), whose sum is σ = 14016744. Its totient is φ = 2669760.
The previous prime is 7230709. The next prime is 7230731. The reversal of 7230730 is 370327.
It can be written as a sum of positive squares in 4 ways, for example, as 2595321 + 4635409 = 1611^2 + 2153^2 .
It is a d-powerful number, because it can be written as 77 + 219 + 310 + 0 + 78 + 310 + 0 .
It is not an unprimeable number, because it can be changed into a prime (7230731) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 27681 + ... + 27940.
Almost surely, 27230730 is an apocalyptic number.
7230730 is a deficient number, since it is larger than the sum of its proper divisors (6786014).
7230730 is a wasteful number, since it uses less digits than its factorization.
7230730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55641.
The product of its (nonzero) digits is 882, while the sum is 22.
The square root of 7230730 is about 2689.0016734840. The cubic root of 7230730 is about 193.3722044975.
The spelling of 7230730 in words is "seven million, two hundred thirty thousand, seven hundred thirty".
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