Base | Representation |
---|---|
bin | 1111001110111… |
… | …0111010111100 |
3 | 11110020002222002 |
4 | 3303232322330 |
5 | 112324040210 |
6 | 10201241432 |
7 | 1404040331 |
oct | 363567274 |
9 | 143202862 |
10 | 63893180 |
11 | 3307a98a |
12 | 19493278 |
13 | 10311020 |
14 | 86b2988 |
15 | 59214a5 |
hex | 3ceeebc |
63893180 has 48 divisors (see below), whose sum is σ = 145094880. Its totient is φ = 23493888.
The previous prime is 63893153. The next prime is 63893183. The reversal of 63893180 is 8139836.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63893183) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102911 + ... + 103529.
It is an arithmetic number, because the mean of its divisors is an integer number (3022810).
Almost surely, 263893180 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 63893180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72547440).
63893180 is an abundant number, since it is smaller than the sum of its proper divisors (81201700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63893180 is a wasteful number, since it uses less digits than its factorization.
63893180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1038 (or 1036 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 63893180 is about 7993.3209619031. The cubic root of 63893180 is about 399.7773344064. Note that the first 3 decimals are identical.
The spelling of 63893180 in words is "sixty-three million, eight hundred ninety-three thousand, one hundred eighty".
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