Base | Representation |
---|---|
bin | 11001001010001… |
… | …01101001110100 |
3 | 112201010101220110 |
4 | 30211011221310 |
5 | 413012032301 |
6 | 32535303020 |
7 | 5141613300 |
oct | 1445055164 |
9 | 481111813 |
10 | 211049076 |
11 | a914a327 |
12 | 5a81aa70 |
13 | 34955514 |
14 | 2005ad00 |
15 | 137dd0d6 |
hex | c945a74 |
211049076 has 72 divisors (see below), whose sum is σ = 576883776. Its totient is φ = 59875200.
The previous prime is 211049071. The next prime is 211049087. The reversal of 211049076 is 670940112.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211049071) 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 23 ways as a sum of consecutive naturals, for example, 87600 + ... + 89976.
Almost surely, 2211049076 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 211049076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288441888).
211049076 is an abundant number, since it is smaller than the sum of its proper divisors (365834700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211049076 is a wasteful number, since it uses less digits than its factorization.
211049076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2549 (or 2540 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 211049076 is about 14527.5282137052. The cubic root of 211049076 is about 595.3803335342.
Adding to 211049076 its reverse (670940112), we get a palindrome (881989188).
The spelling of 211049076 in words is "two hundred eleven million, forty-nine thousand, seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •