Base | Representation |
---|---|
bin | 11001010100101… |
… | …01101010000110 |
3 | 112210201022210120 |
4 | 30222111222012 |
5 | 413340102400 |
6 | 33025002410 |
7 | 5156404614 |
oct | 1452255206 |
9 | 483638716 |
10 | 212425350 |
11 | a99aa345 |
12 | 5b183406 |
13 | 35017a97 |
14 | 202d86b4 |
15 | 139b0ca0 |
hex | ca95a86 |
212425350 has 48 divisors (see below), whose sum is σ = 530711568. Its totient is φ = 56227840.
The previous prime is 212425333. The next prime is 212425379. The reversal of 212425350 is 53524212.
It is a self number, because there is not a number n which added to its sum of digits gives 212425350.
It is a congruent number.
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, 15382 + ... + 25718.
It is an arithmetic number, because the mean of its divisors is an integer number (11056491).
Almost surely, 2212425350 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212425350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265355784).
212425350 is an abundant number, since it is smaller than the sum of its proper divisors (318286218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212425350 is a wasteful number, since it uses less digits than its factorization.
212425350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10489 (or 10484 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 212425350 is about 14574.8190383277. The cubic root of 212425350 is about 596.6717105088.
Adding to 212425350 its reverse (53524212), we get a palindrome (265949562).
The spelling of 212425350 in words is "two hundred twelve million, four hundred twenty-five thousand, three hundred fifty".
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