Base | Representation |
---|---|
bin | 1000011001101001001111 |
3 | 11010212211122 |
4 | 20121221033 |
5 | 1030432231 |
6 | 115111155 |
7 | 24501245 |
oct | 10315117 |
9 | 4125748 |
10 | 2202191 |
11 | 12745a2 |
12 | 8a24bb |
13 | 5c1494 |
14 | 414795 |
15 | 2d777b |
hex | 219a4f |
2202191 has 8 divisors (see below), whose sum is σ = 2262624. Its totient is φ = 2142720.
The previous prime is 2202169. The next prime is 2202253. The reversal of 2202191 is 1912022.
2202191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2202191 - 218 = 1940047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2202121) 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 7 ways as a sum of consecutive naturals, for example, 6926 + ... + 7236.
It is an arithmetic number, because the mean of its divisors is an integer number (282828).
22202191 is an apocalyptic number.
2202191 is a deficient number, since it is larger than the sum of its proper divisors (60433).
2202191 is an equidigital number, since it uses as much as digits as its factorization.
2202191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481.
The product of its (nonzero) digits is 72, while the sum is 17.
The square root of 2202191 is about 1483.9780995689. The cubic root of 2202191 is about 130.1023060549.
The spelling of 2202191 in words is "two million, two hundred two thousand, one hundred ninety-one".
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