Base | Representation |
---|---|
bin | 1011111001100… |
… | …0010010011011 |
3 | 10110220112022121 |
4 | 2332120102123 |
5 | 100234004333 |
6 | 4541402111 |
7 | 1144126000 |
oct | 276302233 |
9 | 113815277 |
10 | 49906843 |
11 | 26197828 |
12 | 14869337 |
13 | a454b9c |
14 | 68b18a7 |
15 | 45ac32d |
hex | 2f9849b |
49906843 has 8 divisors (see below), whose sum is σ = 58200800. Its totient is φ = 42777000.
The previous prime is 49906817. The next prime is 49906847. The reversal of 49906843 is 34860994.
It is not a de Polignac number, because 49906843 - 217 = 49775771 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 49906843.
It is not an unprimeable number, because it can be changed into a prime (49906847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72408 + ... + 73093.
It is an arithmetic number, because the mean of its divisors is an integer number (7275100).
Almost surely, 249906843 is an apocalyptic number.
49906843 is a deficient number, since it is larger than the sum of its proper divisors (8293957).
49906843 is an equidigital number, since it uses as much as digits as its factorization.
49906843 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145522 (or 145508 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 43.
The square root of 49906843 is about 7064.4775461459. The cubic root of 49906843 is about 368.1742120759.
The spelling of 49906843 in words is "forty-nine million, nine hundred six thousand, eight hundred forty-three".
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