Base | Representation |
---|---|
bin | 1011111000110… |
… | …1100101010001 |
3 | 10110211022011112 |
4 | 2332031211101 |
5 | 100231103433 |
6 | 4540423105 |
7 | 1143554105 |
oct | 276154521 |
9 | 113738145 |
10 | 49862993 |
11 | 26167894 |
12 | 14847a95 |
13 | a43ac3b |
14 | 689d905 |
15 | 459e348 |
hex | 2f8d951 |
49862993 has 4 divisors (see below), whose sum is σ = 50356788. Its totient is φ = 49369200.
The previous prime is 49862987. The next prime is 49863007. The reversal of 49862993 is 39926894.
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 26553409 + 23309584 = 5153^2 + 4828^2 .
It is a cyclic number.
It is not a de Polignac number, because 49862993 - 28 = 49862737 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49862903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246746 + ... + 246947.
It is an arithmetic number, because the mean of its divisors is an integer number (12589197).
Almost surely, 249862993 is an apocalyptic number.
It is an amenable number.
49862993 is a deficient number, since it is larger than the sum of its proper divisors (493795).
49862993 is a wasteful number, since it uses less digits than its factorization.
49862993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493794.
The product of its digits is 839808, while the sum is 50.
The square root of 49862993 is about 7061.3733083587. The cubic root of 49862993 is about 368.0663499812.
The spelling of 49862993 in words is "forty-nine million, eight hundred sixty-two thousand, nine hundred ninety-three".
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