Base | Representation |
---|---|
bin | 1011110001100… |
… | …1010110111111 |
3 | 10102221010011001 |
4 | 2330121112333 |
5 | 100120340233 |
6 | 4522311131 |
7 | 1136532154 |
oct | 274312677 |
9 | 112833131 |
10 | 49386943 |
11 | 25972161 |
12 | 146584a7 |
13 | a302358 |
14 | 67b822b |
15 | 450827d |
hex | 2f195bf |
49386943 has 2 divisors, whose sum is σ = 49386944. Its totient is φ = 49386942.
The previous prime is 49386941. The next prime is 49386949. The reversal of 49386943 is 34968394.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49386943 - 21 = 49386941 is a prime.
Together with 49386941, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 49386893 and 49386902.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49386941) 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 as a sum of consecutive naturals, namely, 24693471 + 24693472.
It is an arithmetic number, because the mean of its divisors is an integer number (24693472).
Almost surely, 249386943 is an apocalyptic number.
49386943 is a deficient number, since it is larger than the sum of its proper divisors (1).
49386943 is an equidigital number, since it uses as much as digits as its factorization.
49386943 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 559872, while the sum is 46.
The square root of 49386943 is about 7027.5844356365. The cubic root of 49386943 is about 366.8912729467.
It can be divided in two parts, 4938 and 6943, that added together give a square (11881 = 1092).
The spelling of 49386943 in words is "forty-nine million, three hundred eighty-six thousand, nine hundred forty-three".
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