Base | Representation |
---|---|
bin | 1100001010000… |
… | …0000000101001 |
3 | 10112221102002020 |
4 | 3002200000221 |
5 | 101023041144 |
6 | 5020455053 |
7 | 1156245201 |
oct | 302400051 |
9 | 115842066 |
10 | 50987049 |
11 | 26865363 |
12 | 150aa489 |
13 | a742769 |
14 | 6ab3401 |
15 | 4722419 |
hex | 30a0029 |
50987049 has 8 divisors (see below), whose sum is σ = 68141472. Its totient is φ = 33912000.
The previous prime is 50987003. The next prime is 50987059. The reversal of 50987049 is 94078905.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50987049 - 213 = 50978857 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 50987049.
It is not an unprimeable number, because it can be changed into a prime (50987059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18327 + ... + 20924.
It is an arithmetic number, because the mean of its divisors is an integer number (8517684).
Almost surely, 250987049 is an apocalyptic number.
It is an amenable number.
50987049 is a deficient number, since it is larger than the sum of its proper divisors (17154423).
50987049 is a wasteful number, since it uses less digits than its factorization.
50987049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39687.
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 50987049 is about 7140.5216196018. The cubic root of 50987049 is about 370.8115835018.
The spelling of 50987049 in words is "fifty million, nine hundred eighty-seven thousand, forty-nine".
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