Base | Representation |
---|---|
bin | 11001001100100… |
… | …01110100000000 |
3 | 112201201020211002 |
4 | 30212101310000 |
5 | 413102023044 |
6 | 32550111132 |
7 | 5144352620 |
oct | 1446216400 |
9 | 481636732 |
10 | 211361024 |
11 | a9342736 |
12 | 5a94b4a8 |
13 | 34a344c4 |
14 | 200dc880 |
15 | 1385074e |
hex | c991d00 |
211361024 has 72 divisors (see below), whose sum is σ = 488597760. Its totient is φ = 89376768.
The previous prime is 211361023. The next prime is 211361041. The reversal of 211361024 is 420163112.
211361024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 211360987 and 211361005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211361023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140822 + ... + 142314.
It is an arithmetic number, because the mean of its divisors is an integer number (6786080).
Almost surely, 2211361024 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 211361024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244298880).
211361024 is an abundant number, since it is smaller than the sum of its proper divisors (277236736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211361024 is an equidigital number, since it uses as much as digits as its factorization.
211361024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1595 (or 1581 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 211361024 is about 14538.2606937694. The cubic root of 211361024 is about 595.6735295938.
The spelling of 211361024 in words is "two hundred eleven million, three hundred sixty-one thousand, twenty-four".
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