Base | Representation |
---|---|
bin | 1111100001111010101 |
3 | 221212001121 |
4 | 1330033111 |
5 | 112241020 |
6 | 14523541 |
7 | 4216426 |
oct | 1741725 |
9 | 855047 |
10 | 508885 |
11 | 318373 |
12 | 2065b1 |
13 | 14a820 |
14 | d364d |
15 | a0baa |
hex | 7c3d5 |
508885 has 8 divisors (see below), whose sum is σ = 657720. Its totient is φ = 375744.
The previous prime is 508867. The next prime is 508901. The reversal of 508885 is 588805.
It can be written as a sum of positive squares in 4 ways, for example, as 3364 + 505521 = 58^2 + 711^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 508885 - 29 = 508373 is a prime.
508885 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 508885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850 + ... + 3979.
It is an arithmetic number, because the mean of its divisors is an integer number (82215).
2508885 is an apocalyptic number.
It is an amenable number.
508885 is a deficient number, since it is larger than the sum of its proper divisors (148835).
508885 is a wasteful number, since it uses less digits than its factorization.
508885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7847.
The product of its (nonzero) digits is 12800, while the sum is 34.
The square root of 508885 is about 713.3617595582. The cubic root of 508885 is about 79.8374302790.
The spelling of 508885 in words is "five hundred eight thousand, eight hundred eighty-five".
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