Base | Representation |
---|---|
bin | 1011111000111… |
… | …0111111111001 |
3 | 10110211121010100 |
4 | 2332032333321 |
5 | 100231300133 |
6 | 4540510013 |
7 | 1143610032 |
oct | 276167771 |
9 | 113747110 |
10 | 49868793 |
11 | 26171187 |
12 | 1484b309 |
13 | a440780 |
14 | 68a1a89 |
15 | 45a0e13 |
hex | 2f8eff9 |
49868793 has 12 divisors (see below), whose sum is σ = 77573860. Its totient is φ = 30688416.
The previous prime is 49868783. The next prime is 49868809. The reversal of 49868793 is 39786894.
49868793 is a `hidden beast` number, since 498 + 68 + 7 + 93 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 47444544 = 1557^2 + 6888^2 .
It is not a de Polignac number, because 49868793 - 26 = 49868729 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (49868723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212998 + ... + 213231.
Almost surely, 249868793 is an apocalyptic number.
It is an amenable number.
49868793 is a deficient number, since it is larger than the sum of its proper divisors (27705067).
49868793 is a wasteful number, since it uses less digits than its factorization.
49868793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426248 (or 426245 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 54.
The square root of 49868793 is about 7061.7839814030. The cubic root of 49868793 is about 368.0806204313.
The spelling of 49868793 in words is "forty-nine million, eight hundred sixty-eight thousand, seven hundred ninety-three".
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