Base | Representation |
---|---|
bin | 11001001010110… |
… | …01110100011100 |
3 | 112201021121012201 |
4 | 30211121310130 |
5 | 413022203201 |
6 | 32541141244 |
7 | 5142406150 |
oct | 1445316434 |
9 | 481247181 |
10 | 211131676 |
11 | a91a6398 |
12 | 5a85a824 |
13 | 34983cb2 |
14 | 2007d060 |
15 | 13807801 |
hex | c959d1c |
211131676 has 24 divisors (see below), whose sum is σ = 422837856. Its totient is φ = 90361920.
The previous prime is 211131649. The next prime is 211131703. The reversal of 211131676 is 676131112.
211131676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (211131649) and next prime (211131703).
It is a super-2 number, since 2×2111316762 = 89153169221137952, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17586 + ... + 27046.
It is an arithmetic number, because the mean of its divisors is an integer number (17618244).
Almost surely, 2211131676 is an apocalyptic number.
It is an amenable number.
211131676 is an abundant number, since it is smaller than the sum of its proper divisors (211706180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211131676 is a wasteful number, since it uses less digits than its factorization.
211131676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10269 (or 10267 counting only the distinct ones).
The product of its digits is 1512, while the sum is 28.
The square root of 211131676 is about 14530.3708142635. The cubic root of 211131676 is about 595.4579963573.
Adding to 211131676 its reverse (676131112), we get a palindrome (887262788).
The spelling of 211131676 in words is "two hundred eleven million, one hundred thirty-one thousand, six hundred seventy-six".
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