Base | Representation |
---|---|
bin | 1000010111001010010100 |
3 | 11010100212221 |
4 | 20113022110 |
5 | 1030121040 |
6 | 114552124 |
7 | 24426505 |
oct | 10271224 |
9 | 4110787 |
10 | 2192020 |
11 | 1267996 |
12 | 898644 |
13 | 5b996c |
14 | 410bac |
15 | 2d474a |
hex | 217294 |
2192020 has 24 divisors (see below), whose sum is σ = 4644864. Its totient is φ = 868896.
The previous prime is 2192017. The next prime is 2192051. The reversal of 2192020 is 202912.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 2191985 and 2192003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 2971.
It is an arithmetic number, because the mean of its divisors is an integer number (193536).
22192020 is an apocalyptic number.
2192020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2192020 is an abundant number, since it is smaller than the sum of its proper divisors (2452844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2192020 is a wasteful number, since it uses less digits than its factorization.
2192020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 999 (or 997 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2192020 is about 1480.5471961407. The cubic root of 2192020 is about 129.9017008380.
Adding to 2192020 its reverse (202912), we get a palindrome (2394932).
The spelling of 2192020 in words is "two million, one hundred ninety-two thousand, twenty".
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