Base | Representation |
---|---|
bin | 11001010101100… |
… | …10001110001110 |
3 | 112210221021021220 |
4 | 30222302032032 |
5 | 413402323400 |
6 | 33031304210 |
7 | 5160402666 |
oct | 1452621616 |
9 | 483837256 |
10 | 212542350 |
11 | a9a7a239 |
12 | 5b21b066 |
13 | 35059107 |
14 | 203291a6 |
15 | 139d57a0 |
hex | cab238e |
212542350 has 24 divisors (see below), whose sum is σ = 527105400. Its totient is φ = 56677920.
The previous prime is 212542331. The next prime is 212542357. The reversal of 212542350 is 53245212.
212542350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 212542350.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212542357) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708325 + ... + 708624.
It is an arithmetic number, because the mean of its divisors is an integer number (21962725).
Almost surely, 2212542350 is an apocalyptic number.
212542350 is an abundant number, since it is smaller than the sum of its proper divisors (314563050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212542350 is a wasteful number, since it uses less digits than its factorization.
212542350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1416964 (or 1416959 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 212542350 is about 14578.8322577633. The cubic root of 212542350 is about 596.7812356937.
Adding to 212542350 its reverse (53245212), we get a palindrome (265787562).
The spelling of 212542350 in words is "two hundred twelve million, five hundred forty-two thousand, three hundred fifty".
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