Base | Representation |
---|---|
bin | 1011111010111… |
… | …0101000110001 |
3 | 10111002011220001 |
4 | 2332232220301 |
5 | 100244422020 |
6 | 4543350001 |
7 | 1144656613 |
oct | 276565061 |
9 | 114064801 |
10 | 49998385 |
11 | 2624a588 |
12 | 148b2301 |
13 | a487758 |
14 | 68d6db3 |
15 | 45c950a |
hex | 2faea31 |
49998385 has 4 divisors (see below), whose sum is σ = 59998068. Its totient is φ = 39998704.
The previous prime is 49998371. The next prime is 49998397. The reversal of 49998385 is 58389994.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15046641 + 34951744 = 3879^2 + 5912^2 .
It is a cyclic number.
It is not a de Polignac number, because 49998385 - 25 = 49998353 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999834 + ... + 4999843.
It is an arithmetic number, because the mean of its divisors is an integer number (14999517).
Almost surely, 249998385 is an apocalyptic number.
It is an amenable number.
49998385 is a deficient number, since it is larger than the sum of its proper divisors (9999683).
49998385 is an equidigital number, since it uses as much as digits as its factorization.
49998385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9999682.
The product of its digits is 2799360, while the sum is 55.
The square root of 49998385 is about 7070.9536131982. The cubic root of 49998385 is about 368.3991833474.
The spelling of 49998385 in words is "forty-nine million, nine hundred ninety-eight thousand, three hundred eighty-five".
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