Base | Representation |
---|---|
bin | 11000000110111… |
… | …00100101110010 |
3 | 112002112100120211 |
4 | 30003130211302 |
5 | 403232331010 |
6 | 32022254334 |
7 | 5003633134 |
oct | 1403344562 |
9 | 462470524 |
10 | 202230130 |
11 | a4176543 |
12 | 578873aa |
13 | 32b883cb |
14 | 1cc03054 |
15 | 12b4a08a |
hex | c0dc972 |
202230130 has 32 divisors (see below), whose sum is σ = 387932976. Its totient is φ = 75638784.
The previous prime is 202230121. The next prime is 202230151. The reversal of 202230130 is 31032202.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 31169889 + 171060241 = 5583^2 + 13079^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 202230130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22902 + ... + 30478.
Almost surely, 2202230130 is an apocalyptic number.
202230130 is a deficient number, since it is larger than the sum of its proper divisors (185702846).
202230130 is a wasteful number, since it uses less digits than its factorization.
202230130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7758.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 202230130 is about 14220.7640441715. The cubic root of 202230130 is about 586.9691646914.
Adding to 202230130 its reverse (31032202), we get a palindrome (233262332).
The spelling of 202230130 in words is "two hundred two million, two hundred thirty thousand, one hundred thirty".
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