Base | Representation |
---|---|
bin | 10010110101101… |
… | …00010101000001 |
3 | 102000100111120201 |
4 | 21122310111001 |
5 | 310423300100 |
6 | 23403005201 |
7 | 3626122234 |
oct | 1132642501 |
9 | 360314521 |
10 | 158025025 |
11 | 812235a4 |
12 | 44b09801 |
13 | 2697b842 |
14 | 16db741b |
15 | dd1736a |
hex | 96b4541 |
158025025 has 12 divisors (see below), whose sum is σ = 196109100. Its totient is φ = 126318080.
The previous prime is 158025017. The next prime is 158025059. The reversal of 158025025 is 520520851.
It can be written as a sum of positive squares in 6 ways, for example, as 54066609 + 103958416 = 7353^2 + 10196^2 .
It is not a de Polignac number, because 158025025 - 23 = 158025017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 158024984 and 158025002.
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, 51741 + ... + 54709.
It is an arithmetic number, because the mean of its divisors is an integer number (16342425).
Almost surely, 2158025025 is an apocalyptic number.
It is an amenable number.
158025025 is a deficient number, since it is larger than the sum of its proper divisors (38084075).
158025025 is a wasteful number, since it uses less digits than its factorization.
158025025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5108 (or 5103 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 28.
The square root of 158025025 is about 12570.8004916155. The cubic root of 158025025 is about 540.6405578736.
Adding to 158025025 its reverse (520520851), we get a palindrome (678545876).
The spelling of 158025025 in words is "one hundred fifty-eight million, twenty-five thousand, twenty-five".
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