Base | Representation |
---|---|
bin | 101101000010… |
… | …111111010101 |
3 | 211012221112012 |
4 | 231002333111 |
5 | 11010334400 |
6 | 1101034005 |
7 | 202241525 |
oct | 55027725 |
9 | 24187465 |
10 | 11808725 |
11 | 6736085 |
12 | 3b55905 |
13 | 25a5c16 |
14 | 17d5685 |
15 | 1083d35 |
hex | b42fd5 |
11808725 has 6 divisors (see below), whose sum is σ = 14642850. Its totient is φ = 9446960.
The previous prime is 11808707. The next prime is 11808739. The reversal of 11808725 is 52780811.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 2910436 + 8898289 = 1706^2 + 2983^2 .
It is not a de Polignac number, because 11808725 - 28 = 11808469 is a prime.
It is a super-2 number, since 2×118087252 = 278891972251250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11808691 and 11808700.
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, 236150 + ... + 236199.
It is an arithmetic number, because the mean of its divisors is an integer number (2440475).
Almost surely, 211808725 is an apocalyptic number.
It is an amenable number.
11808725 is a deficient number, since it is larger than the sum of its proper divisors (2834125).
11808725 is an equidigital number, since it uses as much as digits as its factorization.
11808725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 472359 (or 472354 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 32.
The square root of 11808725 is about 3436.3825456430. The cubic root of 11808725 is about 227.7199097273.
The spelling of 11808725 in words is "eleven million, eight hundred eight thousand, seven hundred twenty-five".
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