Base | Representation |
---|---|
bin | 1100101010011… |
… | …0000110110000 |
3 | 10200221020002020 |
4 | 3022212012300 |
5 | 102043443133 |
6 | 5134151440 |
7 | 1213264140 |
oct | 312460660 |
9 | 120836066 |
10 | 53109168 |
11 | 27a84782 |
12 | 15952580 |
13 | b006658 |
14 | 70a6920 |
15 | 49e10b3 |
hex | 32a61b0 |
53109168 has 80 divisors (see below), whose sum is σ = 157656576. Its totient is φ = 15091200.
The previous prime is 53109167. The next prime is 53109181. The reversal of 53109168 is 86190135.
It is not an unprimeable number, because it can be changed into a prime (53109163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88068 + ... + 88668.
Almost surely, 253109168 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 53109168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78828288).
53109168 is an abundant number, since it is smaller than the sum of its proper divisors (104547408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53109168 is a wasteful number, since it uses less digits than its factorization.
53109168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 882 (or 876 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 53109168 is about 7287.6037213888. The cubic root of 53109168 is about 375.8863018228.
The spelling of 53109168 in words is "fifty-three million, one hundred nine thousand, one hundred sixty-eight".
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