Base | Representation |
---|---|
bin | 1011110011010… |
… | …0111101110011 |
3 | 10110010212021001 |
4 | 2330310331303 |
5 | 100133000034 |
6 | 4524542431 |
7 | 1140512632 |
oct | 274647563 |
9 | 113125231 |
10 | 49500019 |
11 | 25a3a108 |
12 | 146b1a17 |
13 | a34196a |
14 | 6807519 |
15 | 452ba14 |
hex | 2f34f73 |
49500019 has 8 divisors (see below), whose sum is σ = 50181120. Its totient is φ = 48823176.
The previous prime is 49499987. The next prime is 49500023. The reversal of 49500019 is 91000594.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49500019 - 25 = 49499987 is a prime.
It is a super-2 number, since 2×495000192 = 4900503762000722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49500019.
It is not an unprimeable number, because it can be changed into a prime (49500089) 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 in 7 ways as a sum of consecutive naturals, for example, 27262 + ... + 29020.
It is an arithmetic number, because the mean of its divisors is an integer number (6272640).
Almost surely, 249500019 is an apocalyptic number.
49500019 is a deficient number, since it is larger than the sum of its proper divisors (681101).
49500019 is a wasteful number, since it uses less digits than its factorization.
49500019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2129.
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 49500019 is about 7035.6249900062. The cubic root of 49500019 is about 367.1710700806.
The spelling of 49500019 in words is "forty-nine million, five hundred thousand, nineteen".
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