Base | Representation |
---|---|
bin | 11001010011111… |
… | …00110110101000 |
3 | 112210112011102200 |
4 | 30221330312220 |
5 | 413323330002 |
6 | 33022500200 |
7 | 5155502454 |
oct | 1451746650 |
9 | 483464380 |
10 | 212323752 |
11 | a993aa83 |
12 | 5b134660 |
13 | 34cb0774 |
14 | 202ad664 |
15 | 13990b1c |
hex | ca7cda8 |
212323752 has 48 divisors (see below), whose sum is σ = 579458880. Its totient is φ = 70231200.
The previous prime is 212323717. The next prime is 212323763. The reversal of 212323752 is 257323212.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1824 + ... + 20687.
It is an arithmetic number, because the mean of its divisors is an integer number (12072060).
Almost surely, 2212323752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212323752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289729440).
212323752 is an abundant number, since it is smaller than the sum of its proper divisors (367135128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212323752 is a wasteful number, since it uses less digits than its factorization.
212323752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22654 (or 22647 counting only the distinct ones).
The product of its digits is 5040, while the sum is 27.
The square root of 212323752 is about 14571.3332265788. Note that the first 3 decimals coincide. The cubic root of 212323752 is about 596.5765707032.
Adding to 212323752 its reverse (257323212), we get a palindrome (469646964).
The spelling of 212323752 in words is "two hundred twelve million, three hundred twenty-three thousand, seven hundred fifty-two".
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