Base | Representation |
---|---|
bin | 11001100111111… |
… | …00110000001100 |
3 | 112222110022210210 |
4 | 30303330300030 |
5 | 420011213110 |
6 | 33155002420 |
7 | 5220000111 |
oct | 1463746014 |
9 | 488408723 |
10 | 214944780 |
11 | 100370216 |
12 | 5bb99410 |
13 | 356ba77b |
14 | 20792908 |
15 | 13d0c520 |
hex | ccfcc0c |
214944780 has 96 divisors (see below), whose sum is σ = 615767040. Its totient is φ = 56010240.
The previous prime is 214944773. The next prime is 214944791. The reversal of 214944780 is 87449412.
214944780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 2.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649215 + ... + 649545.
It is an arithmetic number, because the mean of its divisors is an integer number (6414240).
Almost surely, 2214944780 is an apocalyptic number.
214944780 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 214944780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307883520).
214944780 is an abundant number, since it is smaller than the sum of its proper divisors (400822260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214944780 is a wasteful number, since it uses less digits than its factorization.
214944780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559 (or 557 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 214944780 is about 14660.9951913231. The cubic root of 214944780 is about 599.0213490495.
The spelling of 214944780 in words is "two hundred fourteen million, nine hundred forty-four thousand, seven hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •