Base | Representation |
---|---|
bin | 1011111100101… |
… | …0010011111100 |
3 | 10111021221101101 |
4 | 2333022103330 |
5 | 100312033430 |
6 | 4550022444 |
7 | 1145641240 |
oct | 277122374 |
9 | 114257341 |
10 | 50111740 |
11 | 26317768 |
12 | 14947a24 |
13 | a4c7223 |
14 | 6926420 |
15 | 45ecdca |
hex | 2fca4fc |
50111740 has 48 divisors (see below), whose sum is σ = 126604800. Its totient is φ = 16276032.
The previous prime is 50111693. The next prime is 50111749. The reversal of 50111740 is 4711105.
It is a super-2 number, since 2×501117402 = 5022372971655200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50111749) 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, 6760 + ... + 12079.
It is an arithmetic number, because the mean of its divisors is an integer number (2637600).
Almost surely, 250111740 is an apocalyptic number.
It is an amenable number.
50111740 is an abundant number, since it is smaller than the sum of its proper divisors (76493060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50111740 is a wasteful number, since it uses less digits than its factorization.
50111740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18874 (or 18872 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 19.
The square root of 50111740 is about 7078.9646135576. The cubic root of 50111740 is about 368.6773814676.
Adding to 50111740 its reverse (4711105), we get a palindrome (54822845).
The spelling of 50111740 in words is "fifty million, one hundred eleven thousand, seven hundred forty".
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