Base | Representation |
---|---|
bin | 1100101101000… |
… | …0100101100001 |
3 | 10201021001202201 |
4 | 3023100211201 |
5 | 102120030134 |
6 | 5142013201 |
7 | 1214620342 |
oct | 313204541 |
9 | 121231681 |
10 | 53283169 |
11 | 28093485 |
12 | 15a17201 |
13 | b067904 |
14 | 71100c9 |
15 | 4a27914 |
hex | 32d0961 |
53283169 has 4 divisors (see below), whose sum is σ = 53297860. Its totient is φ = 53268480.
The previous prime is 53283161. The next prime is 53283193. The reversal of 53283169 is 96138235.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 42094144 = 3345^2 + 6488^2 .
It is a cyclic number.
It is not a de Polignac number, because 53283169 - 23 = 53283161 is a prime.
It is a super-2 number, since 2×532831692 = 5678192197365122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53283161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2449 + ... + 10609.
It is an arithmetic number, because the mean of its divisors is an integer number (13324465).
It is a Poulet number, since it divides 253283168-1.
Almost surely, 253283169 is an apocalyptic number.
It is an amenable number.
53283169 is a deficient number, since it is larger than the sum of its proper divisors (14691).
53283169 is an equidigital number, since it uses as much as digits as its factorization.
53283169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14690.
The product of its digits is 38880, while the sum is 37.
The square root of 53283169 is about 7299.5321082930. The cubic root of 53283169 is about 376.2963584192.
It can be divided in two parts, 532831 and 69, that added together give a square (532900 = 7302).
The spelling of 53283169 in words is "fifty-three million, two hundred eighty-three thousand, one hundred sixty-nine".
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