Base | Representation |
---|---|
bin | 1100100101110… |
… | …1010101000000 |
3 | 10200101002011122 |
4 | 3021131111000 |
5 | 102004423242 |
6 | 5123531412 |
7 | 1210613066 |
oct | 311352500 |
9 | 120332148 |
10 | 52811072 |
11 | 278a0816 |
12 | 15829b68 |
13 | ac30a72 |
14 | 702a036 |
15 | 4982ad2 |
hex | 325d540 |
52811072 has 28 divisors (see below), whose sum is σ = 105047796. Its totient is φ = 26342400.
The previous prime is 52811063. The next prime is 52811119. The reversal of 52811072 is 27011825.
It can be written as a sum of positive squares in 2 ways, for example, as 49336576 + 3474496 = 7024^2 + 1864^2 .
It is a congruent number.
It is an unprimeable number.
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, 37778 + ... + 39150.
It is an arithmetic number, because the mean of its divisors is an integer number (3751707).
Almost surely, 252811072 is an apocalyptic number.
It is an amenable number.
52811072 is a deficient number, since it is larger than the sum of its proper divisors (52236724).
52811072 is a wasteful number, since it uses less digits than its factorization.
52811072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1986 (or 1976 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 26.
The square root of 52811072 is about 7267.1226768233. The cubic root of 52811072 is about 375.1817122305.
Adding to 52811072 its reverse (27011825), we get a palindrome (79822897).
The spelling of 52811072 in words is "fifty-two million, eight hundred eleven thousand, seventy-two".
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