Base | Representation |
---|---|
bin | 11111010101111… |
… | …000100001101010 |
3 | 1100122102221111110 |
4 | 133111320201222 |
5 | 2034103032000 |
6 | 124102211150 |
7 | 16013324541 |
oct | 3725704152 |
9 | 1318387443 |
10 | 525830250 |
11 | 24a8aa060 |
12 | 128123ab6 |
13 | 84c2a17a |
14 | 4db9b158 |
15 | 3126b850 |
hex | 1f57886a |
525830250 has 64 divisors (see below), whose sum is σ = 1431810432. Its totient is φ = 127472000.
The previous prime is 525830203. The next prime is 525830257. The reversal of 525830250 is 52038525.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (525830257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23619 + ... + 40118.
It is an arithmetic number, because the mean of its divisors is an integer number (22372038).
Almost surely, 2525830250 is an apocalyptic number.
525830250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
525830250 is an abundant number, since it is smaller than the sum of its proper divisors (905980182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
525830250 is a wasteful number, since it uses less digits than its factorization.
525830250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63768 (or 63758 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 30.
The square root of 525830250 is about 22930.9888578753. The cubic root of 525830250 is about 807.1393527327.
Adding to 525830250 its reverse (52038525), we get a palindrome (577868775).
The spelling of 525830250 in words is "five hundred twenty-five million, eight hundred thirty thousand, two hundred fifty".
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