Base | Representation |
---|---|
bin | 1100101011001… |
… | …0101101100101 |
3 | 10201000211220201 |
4 | 3022302231211 |
5 | 102102121210 |
6 | 5135230501 |
7 | 1213600525 |
oct | 312625545 |
9 | 121024821 |
10 | 53160805 |
11 | 2800a555 |
12 | 15978431 |
13 | b023cc9 |
14 | 70bb685 |
15 | 4a0153a |
hex | 32b2b65 |
53160805 has 8 divisors (see below), whose sum is σ = 65349144. Its totient is φ = 41491200.
The previous prime is 53160781. The next prime is 53160827. The reversal of 53160805 is 50806135.
It can be written as a sum of positive squares in 4 ways, for example, as 4524129 + 48636676 = 2127^2 + 6974^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53160805 - 25 = 53160773 is a prime.
It is a Duffinian number.
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, 129456 + ... + 129865.
It is an arithmetic number, because the mean of its divisors is an integer number (8168643).
Almost surely, 253160805 is an apocalyptic number.
It is an amenable number.
53160805 is a deficient number, since it is larger than the sum of its proper divisors (12188339).
53160805 is a wasteful number, since it uses less digits than its factorization.
53160805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259367.
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 53160805 is about 7291.1456575767. The cubic root of 53160805 is about 376.0080846496.
The spelling of 53160805 in words is "fifty-three million, one hundred sixty thousand, eight hundred five".
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