Base | Representation |
---|---|
bin | 11001010011111… |
… | …00000000111010 |
3 | 112210111222201100 |
4 | 30221330000322 |
5 | 413323222224 |
6 | 33022432230 |
7 | 5155456443 |
oct | 1451740072 |
9 | 483458640 |
10 | 212320314 |
11 | a9938438 |
12 | 5b132676 |
13 | 34cac02b |
14 | 202ac2ca |
15 | 1398eac9 |
hex | ca7c03a |
212320314 has 48 divisors (see below), whose sum is σ = 484615872. Its totient is φ = 67049664.
The previous prime is 212320301. The next prime is 212320331. The reversal of 212320314 is 413023212.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
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, 41902 + ... + 46694.
It is an arithmetic number, because the mean of its divisors is an integer number (10096164).
Almost surely, 2212320314 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212320314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242307936).
212320314 is an abundant number, since it is smaller than the sum of its proper divisors (272295558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212320314 is a wasteful number, since it uses less digits than its factorization.
212320314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4931 (or 4928 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 212320314 is about 14571.2152547411. The cubic root of 212320314 is about 596.5733507128.
Adding to 212320314 its reverse (413023212), we get a palindrome (625343526).
The spelling of 212320314 in words is "two hundred twelve million, three hundred twenty thousand, three hundred fourteen".
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