Base | Representation |
---|---|
bin | 1100110101000… |
… | …0101001001000 |
3 | 10202020201021100 |
4 | 3031100221020 |
5 | 102233321223 |
6 | 5201141400 |
7 | 1222233504 |
oct | 315205110 |
9 | 122221240 |
10 | 53807688 |
11 | 28411570 |
12 | 1602a860 |
13 | b1bc58c |
14 | 7209304 |
15 | 4acd043 |
hex | 3350a48 |
53807688 has 48 divisors (see below), whose sum is σ = 158979600. Its totient is φ = 16305120.
The previous prime is 53807687. The next prime is 53807701. The reversal of 53807688 is 88670835.
It is not an unprimeable number, because it can be changed into a prime (53807681) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33178 + ... + 34761.
It is an arithmetic number, because the mean of its divisors is an integer number (3312075).
Almost surely, 253807688 is an apocalyptic number.
It is an amenable number.
53807688 is an abundant number, since it is smaller than the sum of its proper divisors (105171912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53807688 is a wasteful number, since it uses less digits than its factorization.
53807688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67962 (or 67955 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 53807688 is about 7335.3723831855. The cubic root of 53807688 is about 377.5270813722.
The spelling of 53807688 in words is "fifty-three million, eight hundred seven thousand, six hundred eighty-eight".
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