Base | Representation |
---|---|
bin | 1100000110010… |
… | …0101101001110 |
3 | 10112111001212200 |
4 | 3001210231032 |
5 | 100442303032 |
6 | 5011342330 |
7 | 1154214051 |
oct | 301445516 |
9 | 115431780 |
10 | 50744142 |
11 | 26709909 |
12 | 14bb19a6 |
13 | a689027 |
14 | 6a4ca98 |
15 | 46c547c |
hex | 3064b4e |
50744142 has 48 divisors (see below), whose sum is σ = 116560080. Its totient is φ = 15926400.
The previous prime is 50744129. The next prime is 50744147. The reversal of 50744142 is 24144705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50744147) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20217 + ... + 22587.
It is an arithmetic number, because the mean of its divisors is an integer number (2428335).
Almost surely, 250744142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50744142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58280040).
50744142 is an abundant number, since it is smaller than the sum of its proper divisors (65815938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50744142 is a wasteful number, since it uses less digits than its factorization.
50744142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2449 (or 2446 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 50744142 is about 7123.4922615245. The cubic root of 50744142 is about 370.2217857059.
Adding to 50744142 its reverse (24144705), we get a palindrome (74888847).
It can be divided in two parts, 5074 and 4142, that added together give a square (9216 = 962).
The spelling of 50744142 in words is "fifty million, seven hundred forty-four thousand, one hundred forty-two".
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