Base | Representation |
---|---|
bin | 1100011010100… |
… | …0010010010000 |
3 | 10121222101221202 |
4 | 3012220102100 |
5 | 101312211040 |
6 | 5100010332 |
7 | 1201404116 |
oct | 306502220 |
9 | 117871852 |
10 | 52069520 |
11 | 27434668 |
12 | 155309a8 |
13 | aa31389 |
14 | 6cb5ab6 |
15 | 4888015 |
hex | 31a8490 |
52069520 has 20 divisors (see below), whose sum is σ = 121061820. Its totient is φ = 20827776.
The previous prime is 52069463. The next prime is 52069543. The reversal of 52069520 is 2596025.
It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 26708224 = 5036^2 + 5168^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×520695202 = 5422469826060800, which contains 22 as substring.
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, 325355 + ... + 325514.
It is an arithmetic number, because the mean of its divisors is an integer number (6053091).
Almost surely, 252069520 is an apocalyptic number.
It is an amenable number.
52069520 is an abundant number, since it is smaller than the sum of its proper divisors (68992300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52069520 is a wasteful number, since it uses less digits than its factorization.
52069520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650882 (or 650876 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 52069520 is about 7215.9212856017. The cubic root of 52069520 is about 373.4173776206.
The spelling of 52069520 in words is "fifty-two million, sixty-nine thousand, five hundred twenty".
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