Base | Representation |
---|---|
bin | 11011011100011… |
… | …10001101110111 |
3 | 121001012102101020 |
4 | 31232032031313 |
5 | 432414030123 |
6 | 34502232223 |
7 | 5463562161 |
oct | 1556161567 |
9 | 531172336 |
10 | 230220663 |
11 | 108a54212 |
12 | 65125673 |
13 | 3890885a |
14 | 2280b931 |
15 | 153287e3 |
hex | db8e377 |
230220663 has 32 divisors (see below), whose sum is σ = 336783360. Its totient is φ = 139345920.
The previous prime is 230220659. The next prime is 230220677. The reversal of 230220663 is 366022032.
It is not a de Polignac number, because 230220663 - 22 = 230220659 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230225663) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199095 + ... + 200247.
It is an arithmetic number, because the mean of its divisors is an integer number (10524480).
Almost surely, 2230220663 is an apocalyptic number.
230220663 is a deficient number, since it is larger than the sum of its proper divisors (106562697).
230220663 is a wasteful number, since it uses less digits than its factorization.
230220663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1319.
The product of its (nonzero) digits is 2592, while the sum is 24.
The square root of 230220663 is about 15173.0241876826. The cubic root of 230220663 is about 612.8884448654. Note that the first 3 decimals are identical.
Adding to 230220663 its reverse (366022032), we get a palindrome (596242695).
The spelling of 230220663 in words is "two hundred thirty million, two hundred twenty thousand, six hundred sixty-three".
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