Base | Representation |
---|---|
bin | 1111000101001… |
… | …0000010111101 |
3 | 11102000110112121 |
4 | 3301102002331 |
5 | 112143004441 |
6 | 10135402541 |
7 | 1365423100 |
oct | 361220275 |
9 | 142013477 |
10 | 63250621 |
11 | 32781145 |
12 | 19223451 |
13 | 10147705 |
14 | 8586737 |
15 | 5845dd1 |
hex | 3c520bd |
63250621 has 12 divisors (see below), whose sum is σ = 76777632. Its totient is φ = 51856728.
The previous prime is 63250597. The next prime is 63250637. The reversal of 63250621 is 12605236.
63250621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 63250621 - 27 = 63250493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63250651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26935 + ... + 29188.
It is an arithmetic number, because the mean of its divisors is an integer number (6398136).
Almost surely, 263250621 is an apocalyptic number.
It is an amenable number.
63250621 is a deficient number, since it is larger than the sum of its proper divisors (13527011).
63250621 is a wasteful number, since it uses less digits than its factorization.
63250621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56160 (or 56153 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 63250621 is about 7953.0259021331. The cubic root of 63250621 is about 398.4326603877.
Adding to 63250621 its reverse (12605236), we get a palindrome (75855857).
The spelling of 63250621 in words is "sixty-three million, two hundred fifty thousand, six hundred twenty-one".
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