Base | Representation |
---|---|
bin | 1000011110000010101111 |
3 | 11011210112220 |
4 | 20132002233 |
5 | 1032021312 |
6 | 115330423 |
7 | 24604623 |
oct | 10360257 |
9 | 4153486 |
10 | 2220207 |
11 | 1287090 |
12 | 8b0a13 |
13 | 5c9742 |
14 | 41b183 |
15 | 2dcc8c |
hex | 21e0af |
2220207 has 16 divisors (see below), whose sum is σ = 3400320. Its totient is φ = 1274400.
The previous prime is 2220203. The next prime is 2220209. The reversal of 2220207 is 7020222.
2220207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2220207 - 22 = 2220203 is a prime.
2220207 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220203) 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 15 ways as a sum of consecutive naturals, for example, 1144 + ... + 2397.
It is an arithmetic number, because the mean of its divisors is an integer number (212520).
22220207 is an apocalyptic number.
2220207 is a deficient number, since it is larger than the sum of its proper divisors (1180113).
2220207 is a wasteful number, since it uses less digits than its factorization.
2220207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3574.
The product of its (nonzero) digits is 112, while the sum is 15.
The square root of 2220207 is about 1490.0359056076. The cubic root of 2220207 is about 130.4561294676.
Adding to 2220207 its sum of digits (15), we get a palindrome (2220222).
Adding to 2220207 its reverse (7020222), we get a palindrome (9240429).
The spelling of 2220207 in words is "two million, two hundred twenty thousand, two hundred seven".
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