Base | Representation |
---|---|
bin | 1111100000101000001 |
3 | 221211011011 |
4 | 1330011001 |
5 | 112230400 |
6 | 14520521 |
7 | 4214464 |
oct | 1740501 |
9 | 854134 |
10 | 508225 |
11 | 317923 |
12 | 206141 |
13 | 14a433 |
14 | d32db |
15 | a08ba |
hex | 7c141 |
508225 has 12 divisors (see below), whose sum is σ = 652860. Its totient is φ = 392000.
The previous prime is 508223. The next prime is 508229. The reversal of 508225 is 522805.
It can be written as a sum of positive squares in 6 ways, for example, as 2704 + 505521 = 52^2 + 711^2 .
It is not a de Polignac number, because 508225 - 21 = 508223 is a prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 508196 and 508205.
It is not an unprimeable number, because it can be changed into a prime (508223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375 + ... + 1075.
It is an arithmetic number, because the mean of its divisors is an integer number (54405).
2508225 is an apocalyptic number.
It is an amenable number.
508225 is a deficient number, since it is larger than the sum of its proper divisors (144635).
508225 is a wasteful number, since it uses less digits than its factorization.
508225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740 (or 735 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 508225 is about 712.8990110808. The cubic root of 508225 is about 79.8029002114.
The spelling of 508225 in words is "five hundred eight thousand, two hundred twenty-five".
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