Base | Representation |
---|---|
bin | 11001010010000… |
… | …01011100101000 |
3 | 112210001210122112 |
4 | 30221001130220 |
5 | 413243033144 |
6 | 33013341452 |
7 | 5153440163 |
oct | 1451013450 |
9 | 483053575 |
10 | 212080424 |
11 | a9794186 |
12 | 5b037888 |
13 | 34c26a9a |
14 | 20248ada |
15 | 1394399e |
hex | ca41728 |
212080424 has 32 divisors (see below), whose sum is σ = 428336640. Its totient is φ = 98155200.
The previous prime is 212080409. The next prime is 212080439. The reversal of 212080424 is 424080212.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (212080409) and next prime (212080439).
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a self number, because there is not a number n which added to its sum of digits gives 212080424.
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 7 ways as a sum of consecutive naturals, for example, 12887 + ... + 24294.
It is an arithmetic number, because the mean of its divisors is an integer number (13385520).
Almost surely, 2212080424 is an apocalyptic number.
It is an amenable number.
212080424 is an abundant number, since it is smaller than the sum of its proper divisors (216256216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212080424 is a wasteful number, since it uses less digits than its factorization.
212080424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37241 (or 37237 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 212080424 is about 14562.9812881841. The cubic root of 212080424 is about 596.3485866750.
The spelling of 212080424 in words is "two hundred twelve million, eighty thousand, four hundred twenty-four".
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