Base | Representation |
---|---|
bin | 111110111010001110001 |
3 | 10212201202002 |
4 | 13313101301 |
5 | 1011431200 |
6 | 112103345 |
7 | 23343662 |
oct | 7672161 |
9 | 3781662 |
10 | 2061425 |
11 | 1188863 |
12 | 834b55 |
13 | 5723a2 |
14 | 3b9369 |
15 | 2aabd5 |
hex | 1f7471 |
2061425 has 6 divisors (see below), whose sum is σ = 2556198. Its totient is φ = 1649120.
The previous prime is 2061419. The next prime is 2061427. The reversal of 2061425 is 5241602.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 78961 + 1982464 = 281^2 + 1408^2 .
It is not a de Polignac number, because 2061425 - 26 = 2061361 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2061397 and 2061406.
It is not an unprimeable number, because it can be changed into a prime (2061427) 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 5 ways as a sum of consecutive naturals, for example, 41204 + ... + 41253.
It is an arithmetic number, because the mean of its divisors is an integer number (426033).
22061425 is an apocalyptic number.
2061425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2061425 is a deficient number, since it is larger than the sum of its proper divisors (494773).
2061425 is an equidigital number, since it uses as much as digits as its factorization.
2061425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82467 (or 82462 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 2061425 is about 1435.7663458934. The cubic root of 2061425 is about 127.2689651795.
The spelling of 2061425 in words is "two million, sixty-one thousand, four hundred twenty-five".
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