Base | Representation |
---|---|
bin | 11001010011001… |
… | …00100011101000 |
3 | 112210100002220202 |
4 | 30221210203220 |
5 | 413312133412 |
6 | 33020411332 |
7 | 5154606353 |
oct | 1451444350 |
9 | 483302822 |
10 | 212224232 |
11 | a9882230 |
12 | 5b0a6b48 |
13 | 34c7738c |
14 | 2028529a |
15 | 139713c2 |
hex | ca648e8 |
212224232 has 16 divisors (see below), whose sum is σ = 434095200. Its totient is φ = 96465520.
The previous prime is 212224231. The next prime is 212224249. The reversal of 212224232 is 232422212.
It is not an unprimeable number, because it can be changed into a prime (212224231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205732 + ... + 1205907.
It is an arithmetic number, because the mean of its divisors is an integer number (27130950).
Almost surely, 2212224232 is an apocalyptic number.
212224232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212224232 is an abundant number, since it is smaller than the sum of its proper divisors (221870968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212224232 is a wasteful number, since it uses less digits than its factorization.
212224232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2411656 (or 2411652 counting only the distinct ones).
The product of its digits is 768, while the sum is 20.
The square root of 212224232 is about 14567.9179020202. The cubic root of 212224232 is about 596.4833473775.
Adding to 212224232 its reverse (232422212), we get a palindrome (444646444).
The spelling of 212224232 in words is "two hundred twelve million, two hundred twenty-four thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •