Base | Representation |
---|---|
bin | 11011101001101000101001 |
3 | 111122020222012 |
4 | 123221220221 |
5 | 3323422200 |
6 | 415205305 |
7 | 115416302 |
oct | 33515051 |
9 | 14566865 |
10 | 7248425 |
11 | 4100938 |
12 | 2516835 |
13 | 166a312 |
14 | d697a9 |
15 | 982a35 |
hex | 6e9a29 |
7248425 has 6 divisors (see below), whose sum is σ = 8988078. Its totient is φ = 5798720.
The previous prime is 7248413. The next prime is 7248457. The reversal of 7248425 is 5248427.
It can be written as a sum of positive squares in 3 ways, for example, as 1038361 + 6210064 = 1019^2 + 2492^2 .
It is a de Polignac number, because none of the positive numbers 2k-7248425 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7248391 and 7248400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144944 + ... + 144993.
It is an arithmetic number, because the mean of its divisors is an integer number (1498013).
Almost surely, 27248425 is an apocalyptic number.
It is an amenable number.
7248425 is a deficient number, since it is larger than the sum of its proper divisors (1739653).
7248425 is a wasteful number, since it uses less digits than its factorization.
7248425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289947 (or 289942 counting only the distinct ones).
The product of its digits is 17920, while the sum is 32.
The square root of 7248425 is about 2692.2899175237. The cubic root of 7248425 is about 193.5298157734.
The spelling of 7248425 in words is "seven million, two hundred forty-eight thousand, four hundred twenty-five".
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