Base | Representation |
---|---|
bin | 1000010001001001111100 |
3 | 11002010010211 |
4 | 20101021330 |
5 | 1023324140 |
6 | 114242204 |
7 | 24265003 |
oct | 10211174 |
9 | 4063124 |
10 | 2167420 |
11 | 1250462 |
12 | 886364 |
13 | 5ab6c8 |
14 | 405c3a |
15 | 2cc2ea |
hex | 21127c |
2167420 has 24 divisors (see below), whose sum is σ = 4579344. Its totient is φ = 861696.
The previous prime is 2167409. The next prime is 2167421. The reversal of 2167420 is 247612.
2167420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2167391 and 2167400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2167421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5964 + ... + 6316.
It is an arithmetic number, because the mean of its divisors is an integer number (190806).
22167420 is an apocalyptic number.
2167420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2167420 is an abundant number, since it is smaller than the sum of its proper divisors (2411924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2167420 is a wasteful number, since it uses less digits than its factorization.
2167420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 669 (or 667 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 2167420 is about 1472.2160167584. The cubic root of 2167420 is about 129.4139298779.
The spelling of 2167420 in words is "two million, one hundred sixty-seven thousand, four hundred twenty".
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