Base | Representation |
---|---|
bin | 1000011001000111000101 |
3 | 11010202211200 |
4 | 20121013011 |
5 | 1030400010 |
6 | 115053113 |
7 | 24462003 |
oct | 10310705 |
9 | 4122750 |
10 | 2200005 |
11 | 1272995 |
12 | 8a1199 |
13 | 5c04a2 |
14 | 413a73 |
15 | 2d6cc0 |
hex | 2191c5 |
2200005 has 12 divisors (see below), whose sum is σ = 3813420. Its totient is φ = 1173312.
The previous prime is 2199979. The next prime is 2200013. The reversal of 2200005 is 5000022.
It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 1153476 = 1023^2 + 1074^2 .
It is not a de Polignac number, because 2200005 - 26 = 2199941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a self number, because there is not a number n which added to its sum of digits gives 2200005.
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, 24400 + ... + 24489.
It is an arithmetic number, because the mean of its divisors is an integer number (317785).
22200005 is an apocalyptic number.
It is an amenable number.
2200005 is a deficient number, since it is larger than the sum of its proper divisors (1613415).
2200005 is a wasteful number, since it uses less digits than its factorization.
2200005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48900 (or 48897 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 9.
The square root of 2200005 is about 1483.2413829178. The cubic root of 2200005 is about 130.0592432147.
Adding to 2200005 its reverse (5000022), we get a palindrome (7200027).
The spelling of 2200005 in words is "two million, two hundred thousand, five".
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