Base | Representation |
---|---|
bin | 11110001010001… |
… | …00000100011001 |
3 | 122122001000000222 |
4 | 33011010010121 |
5 | 1004231020000 |
6 | 41034205425 |
7 | 6161225264 |
oct | 1705040431 |
9 | 578030028 |
10 | 252985625 |
11 | 11a892932 |
12 | 70883875 |
13 | 40549649 |
14 | 25855cdb |
15 | 17323a85 |
hex | f144119 |
252985625 has 20 divisors (see below), whose sum is σ = 329894400. Its totient is φ = 193578000.
The previous prime is 252985591. The next prime is 252985633. The reversal of 252985625 is 526589252.
It is not a de Polignac number, because 252985625 - 216 = 252920089 is a prime.
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 19 ways as a sum of consecutive naturals, for example, 5576 + ... + 23174.
It is an arithmetic number, because the mean of its divisors is an integer number (16494720).
Almost surely, 2252985625 is an apocalyptic number.
252985625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252985625 is a deficient number, since it is larger than the sum of its proper divisors (76908775).
252985625 is an equidigital number, since it uses as much as digits as its factorization.
252985625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17642 (or 17627 counting only the distinct ones).
The product of its digits is 432000, while the sum is 44.
The square root of 252985625 is about 15905.5218399146. The cubic root of 252985625 is about 632.4583755097.
The spelling of 252985625 in words is "two hundred fifty-two million, nine hundred eighty-five thousand, six hundred twenty-five".
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