Base | Representation |
---|---|
bin | 10001010011111100001101 |
3 | 22112120010201 |
4 | 101103330031 |
5 | 2130210000 |
6 | 241133501 |
7 | 53400454 |
oct | 21237415 |
9 | 8476121 |
10 | 4538125 |
11 | 261a619 |
12 | 162a291 |
13 | c2b7a7 |
14 | 861b9b |
15 | 5e996a |
hex | 453f0d |
4538125 has 20 divisors (see below), whose sum is σ = 5820012. Its totient is φ = 3536000.
The previous prime is 4538113. The next prime is 4538129. The reversal of 4538125 is 5218354.
It can be written as a sum of positive squares in 10 ways, for example, as 2832489 + 1705636 = 1683^2 + 1306^2 .
It is not a de Polignac number, because 4538125 - 29 = 4537613 is a prime.
It is an Ulam number.
It is a Duffinian number.
4538125 is a Rhonda number in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 4538093 and 4538102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4538129) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33057 + ... + 33193.
Almost surely, 24538125 is an apocalyptic number.
It is an amenable number.
4538125 is a deficient number, since it is larger than the sum of its proper divisors (1281887).
4538125 is an equidigital number, since it uses as much as digits as its factorization.
4538125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210 (or 195 counting only the distinct ones).
The product of its digits is 4800, while the sum is 28.
The square root of 4538125 is about 2130.2875392773. The cubic root of 4538125 is about 165.5612962557.
The spelling of 4538125 in words is "four million, five hundred thirty-eight thousand, one hundred twenty-five".
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