Base | Representation |
---|---|
bin | 11001010001101… |
… | …01001001000110 |
3 | 112202222020111210 |
4 | 30220311021012 |
5 | 413234430042 |
6 | 33012312250 |
7 | 5153140221 |
oct | 1450651106 |
9 | 482866453 |
10 | 212030022 |
11 | a975a326 |
12 | 5b012686 |
13 | 34c09b69 |
14 | 202345b8 |
15 | 13933a9c |
hex | ca35246 |
212030022 has 24 divisors (see below), whose sum is σ = 431171208. Its totient is φ = 69510720.
The previous prime is 212029999. The next prime is 212030041. The reversal of 212030022 is 220030212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17578 + ... + 27074.
It is an arithmetic number, because the mean of its divisors is an integer number (17965467).
Almost surely, 2212030022 is an apocalyptic number.
212030022 is an abundant number, since it is smaller than the sum of its proper divisors (219141186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212030022 is an equidigital number, since it uses as much as digits as its factorization.
212030022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9624 (or 9563 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 212030022 is about 14561.2507017770. The cubic root of 212030022 is about 596.3013411658.
Adding to 212030022 its reverse (220030212), we get a palindrome (432060234).
The spelling of 212030022 in words is "two hundred twelve million, thirty thousand, twenty-two".
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