Base | Representation |
---|---|
bin | 111101101001101110100 |
3 | 10210122012200 |
4 | 13231031310 |
5 | 1004121322 |
6 | 111144500 |
7 | 23112555 |
oct | 7551564 |
9 | 3718180 |
10 | 2020212 |
11 | 115a8a7 |
12 | 815130 |
13 | 5596bc |
14 | 3a832c |
15 | 29d8ac |
hex | 1ed374 |
2020212 has 36 divisors (see below), whose sum is σ = 5408676. Its totient is φ = 633600.
The previous prime is 2020181. The next prime is 2020223. The reversal of 2020212 is 2120202.
It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 1028196 = 996^2 + 1014^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2020194 and 2020203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039 + ... + 2262.
It is an arithmetic number, because the mean of its divisors is an integer number (150241).
22020212 is an apocalyptic number.
It is an amenable number.
2020212 is an abundant number, since it is smaller than the sum of its proper divisors (3388464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020212 is a wasteful number, since it uses less digits than its factorization.
2020212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3328 (or 3323 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 2020212 is about 1421.3416197382. The cubic root of 2020212 is about 126.4151086197.
Adding to 2020212 its reverse (2120202), we get a palindrome (4140414).
The spelling of 2020212 in words is "two million, twenty thousand, two hundred twelve".
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