Base | Representation |
---|---|
bin | 1001101101000110011001 |
3 | 11210020202011 |
4 | 21231012121 |
5 | 1122402100 |
6 | 130305521 |
7 | 30423661 |
oct | 11550631 |
9 | 4706664 |
10 | 2544025 |
11 | 1488400 |
12 | a282a1 |
13 | 6b0c53 |
14 | 4a31a1 |
15 | 353bba |
hex | 26d199 |
2544025 has 27 divisors (see below), whose sum is σ = 3591133. Its totient is φ = 1786400.
The previous prime is 2544011. The next prime is 2544029. The reversal of 2544025 is 5204452.
2544025 = T244 + T245 + ... + T309.
The square root of 2544025 is 1595.
It is a perfect power (a square), and thus also a powerful number.
2544025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 2509056 = 187^2 + 1584^2 .
It is a de Polignac number, because none of the positive numbers 2k-2544025 is a prime.
It is a Duffinian number.
2544025 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2543987 and 2544005.
It is not an unprimeable number, because it can be changed into a prime (2544029) 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 26 ways as a sum of consecutive naturals, for example, 87711 + ... + 87739.
22544025 is an apocalyptic number.
2544025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2544025 is the 1595-th square number.
2544025 is the 798-th centered octagonal number.
It is an amenable number.
2544025 is a deficient number, since it is larger than the sum of its proper divisors (1047108).
2544025 is a wasteful number, since it uses less digits than its factorization.
2544025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90 (or 45 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The cubic root of 2544025 is about 136.5129311011.
Multiplying 2544025 by its product of nonzero digits (1600), we get a square (4070440000 = 638002).
Adding to 2544025 its reverse (5204452), we get a palindrome (7748477).
The spelling of 2544025 in words is "two million, five hundred forty-four thousand, twenty-five".
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