Base | Representation |
---|---|
bin | 1101001100001… |
… | …0110101111001 |
3 | 10212002202021222 |
4 | 3103002311321 |
5 | 103130332100 |
6 | 5253441425 |
7 | 1241150351 |
oct | 323026571 |
9 | 125082258 |
10 | 55324025 |
11 | 29257839 |
12 | 16640275 |
13 | b600813 |
14 | 74c1b61 |
15 | 4ccc485 |
hex | 34c2d79 |
55324025 has 24 divisors (see below), whose sum is σ = 71613720. Its totient is φ = 42344960.
The previous prime is 55324019. The next prime is 55324043. The reversal of 55324025 is 52042355.
It can be written as a sum of positive squares in 12 ways, for example, as 24098281 + 31225744 = 4909^2 + 5588^2 .
It is not a de Polignac number, because 55324025 - 210 = 55323001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55323985 and 55324003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99047 + ... + 99603.
It is an arithmetic number, because the mean of its divisors is an integer number (2983905).
Almost surely, 255324025 is an apocalyptic number.
It is an amenable number.
55324025 is a deficient number, since it is larger than the sum of its proper divisors (16289695).
55324025 is a wasteful number, since it uses less digits than its factorization.
55324025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 733 (or 728 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 26.
The square root of 55324025 is about 7438.0121672393. The cubic root of 55324025 is about 381.0406034576.
The spelling of 55324025 in words is "fifty-five million, three hundred twenty-four thousand, twenty-five".
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