Base | Representation |
---|---|
bin | 11110001011010… |
… | …00001011010101 |
3 | 122122022111220202 |
4 | 33011220023111 |
5 | 1004300233100 |
6 | 41041310245 |
7 | 6162412421 |
oct | 1705501325 |
9 | 578274822 |
10 | 253133525 |
11 | 11a983a67 |
12 | 70935385 |
13 | 4059ba68 |
14 | 25893b81 |
15 | 173527d5 |
hex | f1682d5 |
253133525 has 6 divisors (see below), whose sum is σ = 313885602. Its totient is φ = 202506800.
The previous prime is 253133513. The next prime is 253133557. The reversal of 253133525 is 525331352.
253133525 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 3 ways, for example, as 4566769 + 248566756 = 2137^2 + 15766^2 .
It is not a de Polignac number, because 253133525 - 210 = 253132501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5062646 + ... + 5062695.
It is an arithmetic number, because the mean of its divisors is an integer number (52314267).
Almost surely, 2253133525 is an apocalyptic number.
253133525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
253133525 is a deficient number, since it is larger than the sum of its proper divisors (60752077).
253133525 is a wasteful number, since it uses less digits than its factorization.
253133525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10125351 (or 10125346 counting only the distinct ones).
The product of its digits is 13500, while the sum is 29.
The square root of 253133525 is about 15910.1704893442. The cubic root of 253133525 is about 632.5816003914.
Adding to 253133525 its reverse (525331352), we get a palindrome (778464877).
The spelling of 253133525 in words is "two hundred fifty-three million, one hundred thirty-three thousand, five hundred twenty-five".
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