Base | Representation |
---|---|
bin | 1011111100101… |
… | …1010010001000 |
3 | 10111022010211210 |
4 | 2333023102020 |
5 | 100312200340 |
6 | 4550053120 |
7 | 1145655654 |
oct | 277132210 |
9 | 114263753 |
10 | 50115720 |
11 | 2631a756 |
12 | 1494a1a0 |
13 | a4c8c95 |
14 | 6927a64 |
15 | 45ee180 |
hex | 2fcb488 |
50115720 has 32 divisors (see below), whose sum is σ = 150347520. Its totient is φ = 13364160.
The previous prime is 50115719. The next prime is 50115727. The reversal of 50115720 is 2751105.
50115720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×501157202 = 5023170782236800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50115727) 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 7 ways as a sum of consecutive naturals, for example, 208696 + ... + 208935.
It is an arithmetic number, because the mean of its divisors is an integer number (4698360).
Almost surely, 250115720 is an apocalyptic number.
It is an amenable number.
50115720 is an abundant number, since it is smaller than the sum of its proper divisors (100231800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50115720 is a wasteful number, since it uses less digits than its factorization.
50115720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417645 (or 417641 counting only the distinct ones).
The product of its (nonzero) digits is 350, while the sum is 21.
The square root of 50115720 is about 7079.2457225329. The cubic root of 50115720 is about 368.6871416364.
Adding to 50115720 its reverse (2751105), we get a palindrome (52866825).
It can be divided in two parts, 5011 and 5720, that added together give a triangular number (10731 = T146).
The spelling of 50115720 in words is "fifty million, one hundred fifteen thousand, seven hundred twenty".
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