Base | Representation |
---|---|
bin | 1001010110111010000101 |
3 | 11121122001111 |
4 | 21112322011 |
5 | 1112000000 |
6 | 124325021 |
7 | 26564653 |
oct | 11267205 |
9 | 4548044 |
10 | 2453125 |
11 | 1426084 |
12 | 9a3771 |
13 | 67b76c |
14 | 47bdd3 |
15 | 336cba |
hex | 256e85 |
2453125 has 14 divisors (see below), whose sum is σ = 3085898. Its totient is φ = 1950000.
The previous prime is 2453119. The next prime is 2453141. The reversal of 2453125 is 5213542.
2453125 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 7 ways, for example, as 2405601 + 47524 = 1551^2 + 218^2 .
It is not a de Polignac number, because 2453125 - 213 = 2444933 is a prime.
It is a Duffinian number.
2453125 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2453096 and 2453105.
It is a congruent number.
It is an unprimeable number.
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 13 ways as a sum of consecutive naturals, for example, 15547 + ... + 15703.
22453125 is an apocalyptic number.
2453125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2453125 is a deficient number, since it is larger than the sum of its proper divisors (632773).
2453125 is an frugal number, since it uses more digits than its factorization.
2453125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187 (or 162 counting only the distinct ones).
The product of its digits is 1200, while the sum is 22.
The square root of 2453125 is about 1566.2455107677. The cubic root of 2453125 is about 134.8672678027.
Adding to 2453125 its reverse (5213542), we get a palindrome (7666667).
It can be divided in two parts, 245 and 3125, that multiplied together give a square (765625 = 8752).
The spelling of 2453125 in words is "two million, four hundred fifty-three thousand, one hundred twenty-five".
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