Base | Representation |
---|---|
bin | 1110110011110… |
… | …00011110010001 |
3 | 22122202022020200 |
4 | 13121320132101 |
5 | 223300203200 |
6 | 20154325413 |
7 | 3035620152 |
oct | 731703621 |
9 | 278668220 |
10 | 124225425 |
11 | 64138445 |
12 | 35729869 |
13 | 1c97628c |
14 | 126d9929 |
15 | ad8c800 |
hex | 7678791 |
124225425 has 18 divisors (see below), whose sum is σ = 222501942. Its totient is φ = 66253440.
The previous prime is 124225411. The next prime is 124225427. The reversal of 124225425 is 524522421.
124225425 is a `hidden beast` number, since 12 + 4 + 225 + 425 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 43441281 + 80784144 = 6591^2 + 8988^2 .
It is not a de Polignac number, because 124225425 - 25 = 124225393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (124225427) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 275832 + ... + 276281.
It is an arithmetic number, because the mean of its divisors is an integer number (12361219).
Almost surely, 2124225425 is an apocalyptic number.
124225425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
124225425 is a deficient number, since it is larger than the sum of its proper divisors (98276517).
124225425 is a wasteful number, since it uses less digits than its factorization.
124225425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552129 (or 552121 counting only the distinct ones).
The product of its digits is 6400, while the sum is 27.
The square root of 124225425 is about 11145.6460108869. The cubic root of 124225425 is about 498.9650927452.
Adding to 124225425 its reverse (524522421), we get a palindrome (648747846).
The spelling of 124225425 in words is "one hundred twenty-four million, two hundred twenty-five thousand, four hundred twenty-five".
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