Base | Representation |
---|---|
bin | 11111010010110… |
… | …011011101000000 |
3 | 1100120220221012210 |
4 | 133102303131000 |
5 | 2033401214130 |
6 | 124033022120 |
7 | 16003423263 |
oct | 3722633500 |
9 | 1316827183 |
10 | 525023040 |
11 | 24a3a8643 |
12 | 1279b4940 |
13 | 84a06929 |
14 | 4da2acda |
15 | 3115c5b0 |
hex | 1f4b3740 |
525023040 has 112 divisors (see below), whose sum is σ = 1707733440. Its totient is φ = 136581120.
The previous prime is 525022997. The next prime is 525023089. The reversal of 525023040 is 40320525.
It is a junction number, because it is equal to n+sod(n) for n = 525022998 and 525023016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32691 + ... + 46029.
It is an arithmetic number, because the mean of its divisors is an integer number (15247620).
Almost surely, 2525023040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 525023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853866720).
525023040 is an abundant number, since it is smaller than the sum of its proper divisors (1182710400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
525023040 is a wasteful number, since it uses less digits than its factorization.
525023040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13400 (or 13390 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 525023040 is about 22913.3812432823. The cubic root of 525023040 is about 806.7261239177.
Adding to 525023040 its reverse (40320525), we get a palindrome (565343565).
The spelling of 525023040 in words is "five hundred twenty-five million, twenty-three thousand, forty".
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