Base | Representation |
---|---|
bin | 110000101100100101… |
… | …101011011010110001 |
3 | 11222222000111110200011 |
4 | 300230211223122301 |
5 | 1324041121312400 |
6 | 40004242254521 |
7 | 3530510652142 |
oct | 605445533261 |
9 | 158860443604 |
10 | 52287682225 |
11 | 201a2040619 |
12 | a173057441 |
13 | 4c139c134c |
14 | 27604b3ac9 |
15 | 15606318ba |
hex | c2c96b6b1 |
52287682225 has 81 divisors (see below), whose sum is σ = 71733907713. Its totient is φ = 37801068480.
The previous prime is 52287682171. The next prime is 52287682253. The reversal of 52287682225 is 52228678225.
The square root of 52287682225 is 228665.
It is a perfect power (a square), and thus also a powerful number.
52287682225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 718722481 + 51568959744 = 26809^2 + 227088^2 .
It is not a de Polignac number, because 52287682225 - 229 = 51750811313 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 629972034 + ... + 629972116.
Almost surely, 252287682225 is an apocalyptic number.
52287682225 is the 228665-th square number.
52287682225 is the 114333-rd centered octagonal number.
It is an amenable number.
52287682225 is a deficient number, since it is larger than the sum of its proper divisors (19446225488).
52287682225 is an equidigital number, since it uses as much as digits as its factorization.
52287682225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272 (or 136 counting only the distinct ones).
The product of its digits is 2150400, while the sum is 49.
Multiplying 52287682225 by its sum of digits (49), we get a square (2562096429025 = 16006552).
The spelling of 52287682225 in words is "fifty-two billion, two hundred eighty-seven million, six hundred eighty-two thousand, two hundred twenty-five".
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