Base | Representation |
---|---|
bin | 1100100101001… |
… | …0000110011001 |
3 | 10200021202002021 |
4 | 3021102012121 |
5 | 102001440311 |
6 | 5122534441 |
7 | 1210332025 |
oct | 311220631 |
9 | 120252067 |
10 | 52765081 |
11 | 2786a206 |
12 | 15807421 |
13 | ac15b55 |
14 | 7017385 |
15 | 4974171 |
hex | 3252199 |
52765081 has 4 divisors (see below), whose sum is σ = 52829712. Its totient is φ = 52700452.
The previous prime is 52765079. The next prime is 52765099. The reversal of 52765081 is 18056725.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 52765081 - 21 = 52765079 is a prime.
It is a super-2 number, since 2×527650812 = 5568307545873122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52765001) 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, 31075 + ... + 32728.
It is an arithmetic number, because the mean of its divisors is an integer number (13207428).
Almost surely, 252765081 is an apocalyptic number.
It is an amenable number.
52765081 is a deficient number, since it is larger than the sum of its proper divisors (64631).
52765081 is an equidigital number, since it uses as much as digits as its factorization.
52765081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64630.
The product of its (nonzero) digits is 16800, while the sum is 34.
The square root of 52765081 is about 7263.9576678282. The cubic root of 52765081 is about 375.0727704702.
The spelling of 52765081 in words is "fifty-two million, seven hundred sixty-five thousand, eighty-one".
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