Base | Representation |
---|---|
bin | 11001011001000… |
… | …00101001011000 |
3 | 112211210020201200 |
4 | 30230200221120 |
5 | 414011312043 |
6 | 33045114200 |
7 | 5164265436 |
oct | 1454405130 |
9 | 484706650 |
10 | 212994648 |
11 | aa259039 |
12 | 5b3b8960 |
13 | 35186c49 |
14 | 20405d56 |
15 | 13a747d3 |
hex | cb20a58 |
212994648 has 24 divisors (see below), whose sum is σ = 576860700. Its totient is φ = 70998192.
The previous prime is 212994629. The next prime is 212994653. The reversal of 212994648 is 846499212.
212994648 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 (24).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1479058 + ... + 1479201.
Almost surely, 2212994648 is an apocalyptic number.
It is an amenable number.
212994648 is an abundant number, since it is smaller than the sum of its proper divisors (363866052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212994648 is a wasteful number, since it uses less digits than its factorization.
212994648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2958271 (or 2958264 counting only the distinct ones).
The product of its digits is 248832, while the sum is 45.
The square root of 212994648 is about 14594.3361616759. The cubic root of 212994648 is about 597.2042599627.
The spelling of 212994648 in words is "two hundred twelve million, nine hundred ninety-four thousand, six hundred forty-eight".
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