Base | Representation |
---|---|
bin | 1011111011001… |
… | …0010100001010 |
3 | 10111002221120000 |
4 | 2332302110022 |
5 | 100300412300 |
6 | 4543543430 |
7 | 1145051544 |
oct | 276622412 |
9 | 114087500 |
10 | 50013450 |
11 | 2625a933 |
12 | 148bab76 |
13 | a491576 |
14 | 68dc694 |
15 | 45cdc00 |
hex | 2fb250a |
50013450 has 120 divisors (see below), whose sum is σ = 142192908. Its totient is φ = 13029120.
The previous prime is 50013443. The next prime is 50013479. The reversal of 50013450 is 5431005.
50013450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 15896169 + 34117281 = 3987^2 + 5841^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
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 59 ways as a sum of consecutive naturals, for example, 214534 + ... + 214766.
Almost surely, 250013450 is an apocalyptic number.
50013450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 50013450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71096454).
50013450 is an abundant number, since it is smaller than the sum of its proper divisors (92179458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50013450 is a wasteful number, since it uses less digits than its factorization.
50013450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310 (or 296 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 50013450 is about 7072.0188065361. The cubic root of 50013450 is about 368.4361803849.
Adding to 50013450 its reverse (5431005), we get a palindrome (55444455).
The spelling of 50013450 in words is "fifty million, thirteen thousand, four hundred fifty".
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