Base | Representation |
---|---|
bin | 111100110111101… |
… | …100010001100110 |
3 | 2122011121222020221 |
4 | 330313230101212 |
5 | 4042413412410 |
6 | 245200314554 |
7 | 34210221304 |
oct | 7467542146 |
9 | 2564558227 |
10 | 1021232230 |
11 | 484505987 |
12 | 246012a5a |
13 | 133762435 |
14 | 998b7274 |
15 | 5e9c74da |
hex | 3cdec466 |
1021232230 has 8 divisors (see below), whose sum is σ = 1838218032. Its totient is φ = 408492888.
The previous prime is 1021232213. The next prime is 1021232231. The reversal of 1021232230 is 322321201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021232231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51061602 + ... + 51061621.
It is an arithmetic number, because the mean of its divisors is an integer number (229777254).
Almost surely, 21021232230 is an apocalyptic number.
1021232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1021232230 is a deficient number, since it is larger than the sum of its proper divisors (816985802).
1021232230 is a wasteful number, since it uses less digits than its factorization.
1021232230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102123230.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1021232230 is about 31956.7243315081. The cubic root of 1021232230 is about 1007.0279028751.
Adding to 1021232230 its reverse (322321201), we get a palindrome (1343553431).
The spelling of 1021232230 in words is "one billion, twenty-one million, two hundred thirty-two thousand, two hundred thirty".
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