Base | Representation |
---|---|
bin | 1100000110011… |
… | …0001010110000 |
3 | 10112111101002101 |
4 | 3001212022300 |
5 | 100443001003 |
6 | 5011430144 |
7 | 1154240362 |
oct | 301461260 |
9 | 115441071 |
10 | 50750128 |
11 | 26713360 |
12 | 14bb5354 |
13 | a68b980 |
14 | 6a50d32 |
15 | 46c711d |
hex | 30662b0 |
50750128 has 80 divisors (see below), whose sum is σ = 118554912. Its totient is φ = 20736000.
The previous prime is 50750123. The next prime is 50750129. The reversal of 50750128 is 82105705.
It is a junction number, because it is equal to n+sod(n) for n = 50750096 and 50750105.
It is not an unprimeable number, because it can be changed into a prime (50750123) 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, 93538 + ... + 94078.
Almost surely, 250750128 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 50750128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59277456).
50750128 is an abundant number, since it is smaller than the sum of its proper divisors (67804784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50750128 is a wasteful number, since it uses less digits than its factorization.
50750128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 614 (or 608 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 28.
The square root of 50750128 is about 7123.9124082206. The cubic root of 50750128 is about 370.2363427916.
The spelling of 50750128 in words is "fifty million, seven hundred fifty thousand, one hundred twenty-eight".
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