Base | Representation |
---|---|
bin | 11001010010100… |
… | …10010000110110 |
3 | 112210012022010120 |
4 | 30221102100312 |
5 | 413302234202 |
6 | 33015032410 |
7 | 5154145041 |
oct | 1451222066 |
9 | 483168116 |
10 | 212149302 |
11 | a9830a02 |
12 | 5b06b706 |
13 | 34c4c241 |
14 | 20265c58 |
15 | 139590bc |
hex | ca52436 |
212149302 has 8 divisors (see below), whose sum is σ = 424298616. Its totient is φ = 70716432.
The previous prime is 212149291. The next prime is 212149303. The reversal of 212149302 is 203941212.
212149302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
212149302 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212149303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17679103 + ... + 17679114.
It is an arithmetic number, because the mean of its divisors is an integer number (53037327).
Almost surely, 2212149302 is an apocalyptic number.
212149302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212149302 is a wasteful number, since it uses less digits than its factorization.
212149302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35358222.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 212149302 is about 14565.3459279208. The cubic root of 212149302 is about 596.4131389979.
The spelling of 212149302 in words is "two hundred twelve million, one hundred forty-nine thousand, three hundred two".
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