Base | Representation |
---|---|
bin | 10011100010000100011101 |
3 | 100122010201012 |
4 | 103202010131 |
5 | 2302322120 |
6 | 301425005 |
7 | 61343642 |
oct | 23420435 |
9 | 10563635 |
10 | 5120285 |
11 | 2987a45 |
12 | 186b165 |
13 | 10a3771 |
14 | 973dc9 |
15 | 6b21c5 |
hex | 4e211d |
5120285 has 8 divisors (see below), whose sum is σ = 6294456. Its totient is φ = 3996160.
The previous prime is 5120273. The next prime is 5120287. The reversal of 5120285 is 5820215.
It can be written as a sum of positive squares in 4 ways, for example, as 407044 + 4713241 = 638^2 + 2171^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 5120285 - 26 = 5120221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 5120285.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5120287) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12284 + ... + 12693.
It is an arithmetic number, because the mean of its divisors is an integer number (786807).
Almost surely, 25120285 is an apocalyptic number.
It is an amenable number.
5120285 is a deficient number, since it is larger than the sum of its proper divisors (1174171).
5120285 is a wasteful number, since it uses less digits than its factorization.
5120285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25023.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 5120285 is about 2262.8046756183. The cubic root of 5120285 is about 172.3579731322.
The spelling of 5120285 in words is "five million, one hundred twenty thousand, two hundred eighty-five".
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