Base | Representation |
---|---|
bin | 101000001001… |
… | …100101001000 |
3 | 201210201120211 |
4 | 220021211020 |
5 | 10143300000 |
6 | 1013330504 |
7 | 155314063 |
oct | 50114510 |
9 | 21721524 |
10 | 10525000 |
11 | 5a39652 |
12 | 3636a34 |
13 | 2246815 |
14 | 157d8da |
15 | dcd7ba |
hex | a09948 |
10525000 has 48 divisors (see below), whose sum is σ = 24724980. Its totient is φ = 4200000.
The previous prime is 10524991. The next prime is 10525013. The reversal of 10525000 is 52501.
It can be written as a sum of positive squares in 6 ways, for example, as 4502884 + 6022116 = 2122^2 + 2454^2 .
It is a super-2 number, since 2×105250002 = 221551250000000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24790 + ... + 25210.
It is a vampire number, since it can be written as 2105 ⋅ 5000 (with its own digits).
Almost surely, 210525000 is an apocalyptic number.
10525000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12362490).
10525000 is an abundant number, since it is smaller than the sum of its proper divisors (14199980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10525000 is an frugal number, since it uses more digits than its factorization.
10525000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 452 (or 428 counting only the distinct ones).
The product of its (nonzero) digits is 50, while the sum is 13.
The square root of 10525000 is about 3244.2256395017. The cubic root of 10525000 is about 219.1496096897.
Adding to 10525000 its reverse (52501), we get a palindrome (10577501).
The spelling of 10525000 in words is "ten million, five hundred twenty-five thousand".
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