Base | Representation |
---|---|
bin | 1010000101010001010001 |
3 | 11222021112211 |
4 | 22011101101 |
5 | 1134034100 |
6 | 132352121 |
7 | 31315420 |
oct | 12052121 |
9 | 4867484 |
10 | 2643025 |
11 | 1545820 |
12 | a75641 |
13 | 717028 |
14 | 4cb2b7 |
15 | 3731ba |
hex | 285451 |
2643025 has 24 divisors (see below), whose sum is σ = 4089024. Its totient is φ = 1646400.
The previous prime is 2643019. The next prime is 2643037. The reversal of 2643025 is 5203462.
It is a happy number.
It is not a de Polignac number, because 2643025 - 25 = 2642993 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2642987 and 2643005.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239 + ... + 2611.
It is an arithmetic number, because the mean of its divisors is an integer number (170376).
22643025 is an apocalyptic number.
2643025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2643025 is a deficient number, since it is larger than the sum of its proper divisors (1445999).
2643025 is a wasteful number, since it uses less digits than its factorization.
2643025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1401 (or 1396 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 2643025 is about 1625.7382938222. The cubic root of 2643025 is about 138.2612324062.
Adding to 2643025 its reverse (5203462), we get a palindrome (7846487).
The spelling of 2643025 in words is "two million, six hundred forty-three thousand, twenty-five".
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