Base | Representation |
---|---|
bin | 1000011110001010101001 |
3 | 11011211020122 |
4 | 20132022221 |
5 | 1032030323 |
6 | 115333025 |
7 | 24606245 |
oct | 10361251 |
9 | 4154218 |
10 | 2220713 |
11 | 1287500 |
12 | 8b1175 |
13 | 5c9a41 |
14 | 41b425 |
15 | 2dcec8 |
hex | 21e2a9 |
2220713 has 6 divisors (see below), whose sum is σ = 2441082. Its totient is φ = 2018720.
The previous prime is 2220697. The next prime is 2220731. The reversal of 2220713 is 3170222.
It can be written as a sum of positive squares in only one way, i.e., 1283689 + 937024 = 1133^2 + 968^2 .
It is not a de Polignac number, because 2220713 - 24 = 2220697 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2220691 and 2220700.
It is not an unprimeable number, because it can be changed into a prime (2220773) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9056 + ... + 9297.
It is an arithmetic number, because the mean of its divisors is an integer number (406847).
22220713 is an apocalyptic number.
It is an amenable number.
2220713 is a deficient number, since it is larger than the sum of its proper divisors (220369).
2220713 is a wasteful number, since it uses less digits than its factorization.
2220713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18375 (or 18364 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 2220713 is about 1490.2056905005. The cubic root of 2220713 is about 130.4660393224.
Adding to 2220713 its reverse (3170222), we get a palindrome (5390935).
The spelling of 2220713 in words is "two million, two hundred twenty thousand, seven hundred thirteen".
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