Base | Representation |
---|---|
bin | 11001001100110… |
… | …11010101000000 |
3 | 112201210020021122 |
4 | 30212123111000 |
5 | 413104300000 |
6 | 32551011412 |
7 | 5144604350 |
oct | 1446332500 |
9 | 481706248 |
10 | 211400000 |
11 | a9369a49 |
12 | 5a969b68 |
13 | 34a49176 |
14 | 2010cb60 |
15 | 1385c085 |
hex | c99b540 |
211400000 has 168 divisors, whose sum is σ = 603211392. Its totient is φ = 72000000.
The previous prime is 211399999. The next prime is 211400003. The reversal of 211400000 is 4112.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211400003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399925 + ... + 1400075.
It is an arithmetic number, because the mean of its divisors is an integer number (3590544).
Almost surely, 2211400000 is an apocalyptic number.
211400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301605696).
211400000 is an abundant number, since it is smaller than the sum of its proper divisors (391811392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211400000 is an frugal number, since it uses more digits than its factorization.
211400000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195 (or 165 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 211400000 is about 14539.6010949407. The cubic root of 211400000 is about 595.7101423746.
Adding to 211400000 its reverse (4112), we get a palindrome (211404112).
The spelling of 211400000 in words is "two hundred eleven million, four hundred thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •