Base | Representation |
---|---|
bin | 1100000010011… |
… | …1001100010101 |
3 | 10112000021020210 |
4 | 3000213030111 |
5 | 100411222211 |
6 | 5002120033 |
7 | 1152114345 |
oct | 300471425 |
9 | 115007223 |
10 | 50492181 |
11 | 26557583 |
12 | 14ab0019 |
13 | a5cb43c |
14 | 69c4d25 |
15 | 46759a6 |
hex | 3027315 |
50492181 has 8 divisors (see below), whose sum is σ = 67361824. Its totient is φ = 33642000.
The previous prime is 50492131. The next prime is 50492209. The reversal of 50492181 is 18129405.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50492181 - 211 = 50490133 is a prime.
It is a super-2 number, since 2×504921812 = 5098920684273522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50492111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3015 + ... + 10491.
It is an arithmetic number, because the mean of its divisors is an integer number (8420228).
Almost surely, 250492181 is an apocalyptic number.
It is an amenable number.
50492181 is a deficient number, since it is larger than the sum of its proper divisors (16869643).
50492181 is a wasteful number, since it uses less digits than its factorization.
50492181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9731.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 50492181 is about 7105.7850375592. The cubic root of 50492181 is about 369.6080119396.
The spelling of 50492181 in words is "fifty million, four hundred ninety-two thousand, one hundred eighty-one".
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