Base | Representation |
---|---|
bin | 1000011001100111111101 |
3 | 11010212201121 |
4 | 20121213331 |
5 | 1030431414 |
6 | 115110541 |
7 | 24501100 |
oct | 10314775 |
9 | 4125647 |
10 | 2202109 |
11 | 1274528 |
12 | 8a2451 |
13 | 5c1430 |
14 | 414737 |
15 | 2d7724 |
hex | 2199fd |
2202109 has 12 divisors (see below), whose sum is σ = 2759484. Its totient is φ = 1741824.
The previous prime is 2202077. The next prime is 2202121. The reversal of 2202109 is 9012022.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 2059225 = 378^2 + 1435^2 .
It is not a de Polignac number, because 2202109 - 25 = 2202077 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2202092 and 2202101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2202139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1092 + ... + 2365.
It is an arithmetic number, because the mean of its divisors is an integer number (229957).
22202109 is an apocalyptic number.
It is an amenable number.
2202109 is a deficient number, since it is larger than the sum of its proper divisors (557375).
2202109 is a wasteful number, since it uses less digits than its factorization.
2202109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3484 (or 3477 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2202109 is about 1483.9504708716. The cubic root of 2202109 is about 130.1006912205.
The spelling of 2202109 in words is "two million, two hundred two thousand, one hundred nine".
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