Base | Representation |
---|---|
bin | 11001010011101… |
… | …11110010101110 |
3 | 112210111002222220 |
4 | 30221313302232 |
5 | 413322144042 |
6 | 33022220210 |
7 | 5155355151 |
oct | 1451676256 |
9 | 483432886 |
10 | 212303022 |
11 | a9926448 |
12 | 5b124666 |
13 | 34ca41b9 |
14 | 202a5c98 |
15 | 139898ec |
hex | ca77cae |
212303022 has 8 divisors (see below), whose sum is σ = 424606056. Its totient is φ = 70767672.
The previous prime is 212303011. The next prime is 212303029. The reversal of 212303022 is 220303212.
It is a sphenic number, since it is the product of 3 distinct primes.
212303022 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 212302992 and 212303010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212303029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17691913 + ... + 17691924.
It is an arithmetic number, because the mean of its divisors is an integer number (53075757).
Almost surely, 2212303022 is an apocalyptic number.
212303022 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.
212303022 is a wasteful number, since it uses less digits than its factorization.
212303022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35383842.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 212303022 is about 14570.6218810317. The cubic root of 212303022 is about 596.5571547018.
Adding to 212303022 its reverse (220303212), we get a palindrome (432606234).
The spelling of 212303022 in words is "two hundred twelve million, three hundred three thousand, twenty-two".
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