Base | Representation |
---|---|
bin | 11001010110001… |
… | …01001000110000 |
3 | 112211002012120022 |
4 | 30223011020300 |
5 | 413412313244 |
6 | 33033103012 |
7 | 5161144604 |
oct | 1453051060 |
9 | 484065508 |
10 | 212619824 |
11 | aa02246a |
12 | 5b257a68 |
13 | 35085461 |
14 | 20349504 |
15 | 139ed6ee |
hex | cac5230 |
212619824 has 40 divisors (see below), whose sum is σ = 426698880. Its totient is φ = 102528000.
The previous prime is 212619787. The next prime is 212619839. The reversal of 212619824 is 428916212.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198362 + ... + 199430.
It is an arithmetic number, because the mean of its divisors is an integer number (10667472).
Almost surely, 2212619824 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 212619824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213349440).
212619824 is an abundant number, since it is smaller than the sum of its proper divisors (214079056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212619824 is a wasteful number, since it uses less digits than its factorization.
212619824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1509 (or 1503 counting only the distinct ones).
The product of its digits is 13824, while the sum is 35.
The square root of 212619824 is about 14581.4890871955. The cubic root of 212619824 is about 596.8537379705.
The spelling of 212619824 in words is "two hundred twelve million, six hundred nineteen thousand, eight hundred twenty-four".
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