Base | Representation |
---|---|
bin | 11001001100001… |
… | …01011101011110 |
3 | 112201121200102020 |
4 | 30212011131132 |
5 | 413043413210 |
6 | 32545041010 |
7 | 5144052252 |
oct | 1446053536 |
9 | 481550366 |
10 | 211310430 |
11 | a9308721 |
12 | 5a926166 |
13 | 34a17476 |
14 | 200c8262 |
15 | 13840770 |
hex | c98575e |
211310430 has 32 divisors (see below), whose sum is σ = 529196544. Its totient is φ = 53899296.
The previous prime is 211310423. The next prime is 211310479. The reversal of 211310430 is 34013112.
211310430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152434 + ... + 153813.
It is an arithmetic number, because the mean of its divisors is an integer number (16537392).
Almost surely, 2211310430 is an apocalyptic number.
211310430 is an abundant number, since it is smaller than the sum of its proper divisors (317886114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211310430 is a wasteful number, since it uses less digits than its factorization.
211310430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306280.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 211310430 is about 14536.5205602992. The cubic root of 211310430 is about 595.6259965292.
Adding to 211310430 its reverse (34013112), we get a palindrome (245323542).
The spelling of 211310430 in words is "two hundred eleven million, three hundred ten thousand, four hundred thirty".
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