Base | Representation |
---|---|
bin | 11001001011100… |
… | …10100010011100 |
3 | 112201110202002122 |
4 | 30211302202130 |
5 | 413033423144 |
6 | 32543242112 |
7 | 5143310300 |
oct | 1445624234 |
9 | 481422078 |
10 | 211232924 |
11 | a9265471 |
12 | 5a8a9338 |
13 | 349bb0c6 |
14 | 200a7d00 |
15 | 138277ee |
hex | c97289c |
211232924 has 18 divisors (see below), whose sum is σ = 430010280. Its totient is φ = 90528312.
The previous prime is 211232911. The next prime is 211232927. The reversal of 211232924 is 429232112.
It is a junction number, because it is equal to n+sod(n) for n = 211232893 and 211232902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211232927) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 538664 + ... + 539055.
It is an arithmetic number, because the mean of its divisors is an integer number (23889460).
Almost surely, 2211232924 is an apocalyptic number.
It is an amenable number.
211232924 is an abundant number, since it is smaller than the sum of its proper divisors (218777356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211232924 is a wasteful number, since it uses less digits than its factorization.
211232924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1077737 (or 1077728 counting only the distinct ones).
The product of its digits is 1728, while the sum is 26.
The square root of 211232924 is about 14533.8544096189. The cubic root of 211232924 is about 595.5531649234.
The spelling of 211232924 in words is "two hundred eleven million, two hundred thirty-two thousand, nine hundred twenty-four".
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