Base | Representation |
---|---|
bin | 1111001110110… |
… | …1111000011101 |
3 | 11110012220010111 |
4 | 3303231320131 |
5 | 112323421200 |
6 | 10201210021 |
7 | 1404022042 |
oct | 363557035 |
9 | 143186114 |
10 | 63888925 |
11 | 33077771 |
12 | 19490911 |
13 | 1030c0c9 |
14 | 86b11c9 |
15 | 59200ba |
hex | 3cede1d |
63888925 has 12 divisors (see below), whose sum is σ = 83392480. Its totient is φ = 48420720.
The previous prime is 63888919. The next prime is 63888931. The reversal of 63888925 is 52988836.
It is an interprime number because it is at equal distance from previous prime (63888919) and next prime (63888931).
It is not a de Polignac number, because 63888925 - 25 = 63888893 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66777 + ... + 67726.
Almost surely, 263888925 is an apocalyptic number.
It is an amenable number.
63888925 is a deficient number, since it is larger than the sum of its proper divisors (19503555).
63888925 is a wasteful number, since it uses less digits than its factorization.
63888925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134532 (or 134527 counting only the distinct ones).
The product of its digits is 829440, while the sum is 49.
The square root of 63888925 is about 7993.0547977604. The cubic root of 63888925 is about 399.7684597486.
The spelling of 63888925 in words is "sixty-three million, eight hundred eighty-eight thousand, nine hundred twenty-five".
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