Base | Representation |
---|---|
bin | 1100011100100… |
… | …0010101100101 |
3 | 10122020002001011 |
4 | 3013020111211 |
5 | 101330411210 |
6 | 5102502221 |
7 | 1202461636 |
oct | 307102545 |
9 | 118202034 |
10 | 52200805 |
11 | 27514268 |
12 | 15594971 |
13 | aa79067 |
14 | 6d0b88d |
15 | 48b1d8a |
hex | 31c8565 |
52200805 has 4 divisors (see below), whose sum is σ = 62640972. Its totient is φ = 41760640.
The previous prime is 52200791. The next prime is 52200817. The reversal of 52200805 is 50800225.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 33942276 + 18258529 = 5826^2 + 4273^2 .
It is not a de Polignac number, because 52200805 - 27 = 52200677 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 3 ways as a sum of consecutive naturals, for example, 5220076 + ... + 5220085.
It is an arithmetic number, because the mean of its divisors is an integer number (15660243).
Almost surely, 252200805 is an apocalyptic number.
It is an amenable number.
52200805 is a deficient number, since it is larger than the sum of its proper divisors (10440167).
52200805 is a wasteful number, since it uses less digits than its factorization.
52200805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10440166.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 52200805 is about 7225.0124567367. The cubic root of 52200805 is about 373.7309517031.
The spelling of 52200805 in words is "fifty-two million, two hundred thousand, eight hundred five".
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