Base | Representation |
---|---|
bin | 11110000101110… |
… | …00001001101101 |
3 | 122120221212220001 |
4 | 33002320021231 |
5 | 1004104200100 |
6 | 41014024301 |
7 | 6153320401 |
oct | 1702701155 |
9 | 576855801 |
10 | 252412525 |
11 | 11a5312a2 |
12 | 70648091 |
13 | 403a8831 |
14 | 25747101 |
15 | 1725dd6a |
hex | f0b826d |
252412525 has 12 divisors (see below), whose sum is σ = 313690612. Its totient is φ = 201479040.
The previous prime is 252412519. The next prime is 252412529. The reversal of 252412525 is 525214252.
252412525 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 6 ways, for example, as 23011209 + 229401316 = 4797^2 + 15146^2 .
It is a de Polignac number, because none of the positive numbers 2k-252412525 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 252412493 and 252412502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252412529) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379 + ... + 22471.
Almost surely, 2252412525 is an apocalyptic number.
252412525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252412525 is a deficient number, since it is larger than the sum of its proper divisors (61278087).
252412525 is a wasteful number, since it uses less digits than its factorization.
252412525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22560 (or 22555 counting only the distinct ones).
The product of its digits is 8000, while the sum is 28.
The square root of 252412525 is about 15887.4958693936. The cubic root of 252412525 is about 631.9804353888.
Adding to 252412525 its reverse (525214252), we get a palindrome (777626777).
The spelling of 252412525 in words is "two hundred fifty-two million, four hundred twelve thousand, five hundred twenty-five".
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