Base | Representation |
---|---|
bin | 11001010011000… |
… | …01011010010110 |
3 | 112210022110020122 |
4 | 30221201122112 |
5 | 413311230400 |
6 | 33020231542 |
7 | 5154523661 |
oct | 1451413226 |
9 | 483273218 |
10 | 212211350 |
11 | a987358a |
12 | 5b09b5b2 |
13 | 34c71560 |
14 | 202806d8 |
15 | 1396c685 |
hex | ca61696 |
212211350 has 24 divisors (see below), whose sum is σ = 425076960. Its totient is φ = 78354720.
The previous prime is 212211343. The next prime is 212211371. The reversal of 212211350 is 53112212.
It is a happy number.
It is a Curzon number.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 162590 + ... + 163889.
It is an arithmetic number, because the mean of its divisors is an integer number (17711540).
Almost surely, 2212211350 is an apocalyptic number.
212211350 is an abundant number, since it is smaller than the sum of its proper divisors (212865610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212211350 is a wasteful number, since it uses less digits than its factorization.
212211350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326504 (or 326499 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 212211350 is about 14567.4757593757. The cubic root of 212211350 is about 596.4712782971.
Adding to 212211350 its reverse (53112212), we get a palindrome (265323562).
The spelling of 212211350 in words is "two hundred twelve million, two hundred eleven thousand, three hundred fifty".
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