Base | Representation |
---|---|
bin | 10000000110010101101111 |
3 | 21221102010100 |
4 | 100012111233 |
5 | 2040022041 |
6 | 230242143 |
7 | 50604666 |
oct | 20062557 |
9 | 7842110 |
10 | 4220271 |
11 | 2422830 |
12 | 14b6353 |
13 | b49c03 |
14 | 7bbddd |
15 | 5856b6 |
hex | 40656f |
4220271 has 24 divisors (see below), whose sum is σ = 6799104. Its totient is φ = 2500560.
The previous prime is 4220269. The next prime is 4220287. The reversal of 4220271 is 1720224.
It is not a de Polignac number, because 4220271 - 21 = 4220269 is a prime.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4220771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4200 + ... + 5106.
It is an arithmetic number, because the mean of its divisors is an integer number (283296).
Almost surely, 24220271 is an apocalyptic number.
4220271 is a deficient number, since it is larger than the sum of its proper divisors (2578833).
4220271 is a wasteful number, since it uses less digits than its factorization.
4220271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971 (or 968 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 4220271 is about 2054.3298177265. The cubic root of 4220271 is about 161.6020180572.
Adding to 4220271 its reverse (1720224), we get a palindrome (5940495).
The spelling of 4220271 in words is "four million, two hundred twenty thousand, two hundred seventy-one".
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