Base | Representation |
---|---|
bin | 11001010110110… |
… | …10011011010010 |
3 | 112211020122012000 |
4 | 30223122123102 |
5 | 413423111101 |
6 | 33035014430 |
7 | 5161660050 |
oct | 1453323322 |
9 | 484218160 |
10 | 212707026 |
11 | aa081a34 |
12 | 5b29a416 |
13 | 350b605c |
14 | 2036d1d0 |
15 | 13a19486 |
hex | cada6d2 |
212707026 has 128 divisors (see below), whose sum is σ = 580608000. Its totient is φ = 56339712.
The previous prime is 212707003. The next prime is 212707031. The reversal of 212707026 is 620707212.
212707026 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 (27).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 507445 + ... + 507863.
It is an arithmetic number, because the mean of its divisors is an integer number (4536000).
Almost surely, 2212707026 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212707026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290304000).
212707026 is an abundant number, since it is smaller than the sum of its proper divisors (367900974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212707026 is a wasteful number, since it uses less digits than its factorization.
212707026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 533 (or 527 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 212707026 is about 14584.4789416695. The cubic root of 212707026 is about 596.9353229093.
The spelling of 212707026 in words is "two hundred twelve million, seven hundred seven thousand, twenty-six".
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