Base | Representation |
---|---|
bin | 11001010010000… |
… | …01110100100000 |
3 | 112210001212202010 |
4 | 30221001310200 |
5 | 413243110302 |
6 | 33013352520 |
7 | 5153444505 |
oct | 1451016440 |
9 | 483055663 |
10 | 212081952 |
11 | a9795345 |
12 | 5b038740 |
13 | 34c276a4 |
14 | 202494ac |
15 | 1394416c |
hex | ca41d20 |
212081952 has 48 divisors (see below), whose sum is σ = 586020960. Its totient is φ = 66972672.
The previous prime is 212081951. The next prime is 212081963. The reversal of 212081952 is 259180212.
212081952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (212081951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56313 + ... + 59960.
It is an arithmetic number, because the mean of its divisors is an integer number (12208770).
Almost surely, 2212081952 is an apocalyptic number.
It is an amenable number.
212081952 is an abundant number, since it is smaller than the sum of its proper divisors (373939008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212081952 is a wasteful number, since it uses less digits than its factorization.
212081952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116305 (or 116297 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 212081952 is about 14563.0337498751. The cubic root of 212081952 is about 596.3500188651.
The spelling of 212081952 in words is "two hundred twelve million, eighty-one thousand, nine hundred fifty-two".
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