Base | Representation |
---|---|
bin | 1100100000101… |
… | …0010100100000 |
3 | 10122201210210001 |
4 | 3020022110200 |
5 | 101413033242 |
6 | 5112345344 |
7 | 1204665613 |
oct | 310122440 |
9 | 118653701 |
10 | 52471072 |
11 | 27689325 |
12 | 156a5254 |
13 | ab42094 |
14 | 6d7c17a |
15 | 4916eb7 |
hex | 320a520 |
52471072 has 24 divisors (see below), whose sum is σ = 103489596. Its totient is φ = 26188032.
The previous prime is 52471057. The next prime is 52471079. The reversal of 52471072 is 27017425.
It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 11048976 = 6436^2 + 3324^2 .
It is a super-3 number, since 3×524710723 (a number of 24 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 52471072.
It is not an unprimeable number, because it can be changed into a prime (52471079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22338 + ... + 24574.
Almost surely, 252471072 is an apocalyptic number.
It is an amenable number.
52471072 is a deficient number, since it is larger than the sum of its proper divisors (51018524).
52471072 is a wasteful number, since it uses less digits than its factorization.
52471072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2980 (or 2972 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 28.
The square root of 52471072 is about 7243.6918763846. The cubic root of 52471072 is about 374.3748327252.
Adding to 52471072 its reverse (27017425), we get a palindrome (79488497).
The spelling of 52471072 in words is "fifty-two million, four hundred seventy-one thousand, seventy-two".
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