Base | Representation |
---|---|
bin | 1011110001100… |
… | …1000111111111 |
3 | 10102221001211111 |
4 | 2330121013333 |
5 | 100120322413 |
6 | 4522302451 |
7 | 1136526313 |
oct | 274310777 |
9 | 112831744 |
10 | 49385983 |
11 | 25971469 |
12 | 14657a27 |
13 | a301a9a |
14 | 67b7b43 |
15 | 4507d3d |
hex | 2f191ff |
49385983 has 4 divisors (see below), whose sum is σ = 50317848. Its totient is φ = 48454120.
The previous prime is 49385977. The next prime is 49385989. The reversal of 49385983 is 38958394.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (49385977) and next prime (49385989).
It is a cyclic number.
It is not a de Polignac number, because 49385983 - 25 = 49385951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49385989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465853 + ... + 465958.
It is an arithmetic number, because the mean of its divisors is an integer number (12579462).
Almost surely, 249385983 is an apocalyptic number.
49385983 is a deficient number, since it is larger than the sum of its proper divisors (931865).
49385983 is an equidigital number, since it uses as much as digits as its factorization.
49385983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931864.
The product of its digits is 933120, while the sum is 49.
The square root of 49385983 is about 7027.5161330302. The cubic root of 49385983 is about 366.8888956793. Note that the first 4 decimals are identical.
The spelling of 49385983 in words is "forty-nine million, three hundred eighty-five thousand, nine hundred eighty-three".
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