Base | Representation |
---|---|
bin | 1100101001001… |
… | …0110101010001 |
3 | 10200210012210102 |
4 | 3022102311101 |
5 | 102033431400 |
6 | 5132342145 |
7 | 1212515033 |
oct | 312226521 |
9 | 120705712 |
10 | 53030225 |
11 | 27a30436 |
12 | 15914955 |
13 | aca9741 |
14 | 7085c53 |
15 | 49c79d5 |
hex | 3292d51 |
53030225 has 12 divisors (see below), whose sum is σ = 69626124. Its totient is φ = 39928320.
The previous prime is 53030207. The next prime is 53030267. The reversal of 53030225 is 52203035.
It can be written as a sum of positive squares in 6 ways, for example, as 380689 + 52649536 = 617^2 + 7256^2 .
It is not a de Polignac number, because 53030225 - 216 = 52964689 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53030197 and 53030206.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61964 + ... + 62813.
It is an arithmetic number, because the mean of its divisors is an integer number (5802177).
Almost surely, 253030225 is an apocalyptic number.
It is an amenable number.
53030225 is a deficient number, since it is larger than the sum of its proper divisors (16595899).
53030225 is a wasteful number, since it uses less digits than its factorization.
53030225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124804 (or 124799 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 20.
The square root of 53030225 is about 7282.1854549304. The cubic root of 53030225 is about 375.6999667187.
The spelling of 53030225 in words is "fifty-three million, thirty thousand, two hundred twenty-five".
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