Base | Representation |
---|---|
bin | 1010000011111… |
… | …1010001100100 |
3 | 2221102002112220 |
4 | 2200333101210 |
5 | 41300432322 |
6 | 4104312340 |
7 | 1021466343 |
oct | 240772144 |
9 | 87362486 |
10 | 42202212 |
11 | 21905168 |
12 | 121726b0 |
13 | 8988030 |
14 | 5867b5a |
15 | 3a8955c |
hex | 283f464 |
42202212 has 24 divisors (see below), whose sum is σ = 106046976. Its totient is φ = 12985248.
The previous prime is 42202201. The next prime is 42202213. The reversal of 42202212 is 21220224.
It is a junction number, because it is equal to n+sod(n) for n = 42202191 and 42202200.
It is not an unprimeable number, because it can be changed into a prime (42202213) 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, 135108 + ... + 135419.
It is an arithmetic number, because the mean of its divisors is an integer number (4418624).
Almost surely, 242202212 is an apocalyptic number.
It is an amenable number.
42202212 is an abundant number, since it is smaller than the sum of its proper divisors (63844764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42202212 is a wasteful number, since it uses less digits than its factorization.
42202212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270547 (or 270545 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 42202212 is about 6496.3229599520. The cubic root of 42202212 is about 348.1596242209.
Adding to 42202212 its reverse (21220224), we get a palindrome (63422436).
The spelling of 42202212 in words is "forty-two million, two hundred two thousand, two hundred twelve".
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