Base | Representation |
---|---|
bin | 1100010010001011110100 |
3 | 20001121022010 |
4 | 30102023310 |
5 | 1311021322 |
6 | 153004220 |
7 | 36241242 |
oct | 14221364 |
9 | 6047263 |
10 | 3220212 |
11 | 18aa436 |
12 | 10b3670 |
13 | 889968 |
14 | 5db792 |
15 | 43920c |
hex | 3122f4 |
3220212 has 24 divisors (see below), whose sum is σ = 7576576. Its totient is φ = 1064448.
The previous prime is 3220211. The next prime is 3220219. The reversal of 3220212 is 2120223.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 2580.
Almost surely, 23220212 is an apocalyptic number.
It is an amenable number.
3220212 is an abundant number, since it is smaller than the sum of its proper divisors (4356364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3220212 is a wasteful number, since it uses less digits than its factorization.
3220212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 3220212 is about 1794.4949150109. The cubic root of 3220212 is about 147.6708658609.
Adding to 3220212 its reverse (2120223), we get a palindrome (5340435).
The spelling of 3220212 in words is "three million, two hundred twenty thousand, two hundred twelve".
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