Base | Representation |
---|---|
bin | 11001010001000… |
… | …10110001000000 |
3 | 112202211102021000 |
4 | 30220202301000 |
5 | 413230023002 |
6 | 33010532000 |
7 | 5152404612 |
oct | 1450426100 |
9 | 482742230 |
10 | 211954752 |
11 | a9708819 |
12 | 5ab97000 |
13 | 34bb1819 |
14 | 20214db2 |
15 | 1391b61c |
hex | ca22c40 |
211954752 has 112 divisors (see below), whose sum is σ = 650321280. Its totient is φ = 67567104.
The previous prime is 211954733. The next prime is 211954753. The reversal of 211954752 is 257459112.
211954752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (211954753) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37078 + ... + 42410.
It is an arithmetic number, because the mean of its divisors is an integer number (5806440).
Almost surely, 2211954752 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 211954752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325160640).
211954752 is an abundant number, since it is smaller than the sum of its proper divisors (438366528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211954752 is a wasteful number, since it uses less digits than its factorization.
211954752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5377 (or 5361 counting only the distinct ones).
The product of its digits is 25200, while the sum is 36.
The square root of 211954752 is about 14558.6658729432. The cubic root of 211954752 is about 596.2307711057.
The spelling of 211954752 in words is "two hundred eleven million, nine hundred fifty-four thousand, seven hundred fifty-two".
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