Base | Representation |
---|---|
bin | 1011111011001… |
… | …1100110000000 |
3 | 10111010012202000 |
4 | 2332303212000 |
5 | 100301044223 |
6 | 4544024000 |
7 | 1145103036 |
oct | 276634600 |
9 | 114105660 |
10 | 50018688 |
11 | 26263865 |
12 | 14902000 |
13 | a493a75 |
14 | 6900556 |
15 | 45d0543 |
hex | 2fb3980 |
50018688 has 128 divisors (see below), whose sum is σ = 151653600. Its totient is φ = 16220160.
The previous prime is 50018681. The next prime is 50018699. The reversal of 50018688 is 88681005.
50018688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50018681) 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 15 ways as a sum of consecutive naturals, for example, 141520 + ... + 141872.
Almost surely, 250018688 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 50018688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75826800).
50018688 is an abundant number, since it is smaller than the sum of its proper divisors (101634912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50018688 is a wasteful number, since it uses less digits than its factorization.
50018688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417 (or 399 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 36.
The square root of 50018688 is about 7072.3891295658. The cubic root of 50018688 is about 368.4490422674.
It can be divided in two parts, 5001 and 8688, that added together give a square (13689 = 1172).
The spelling of 50018688 in words is "fifty million, eighteen thousand, six hundred eighty-eight".
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