Base | Representation |
---|---|
bin | 1011111001001… |
… | …0101101110011 |
3 | 10110212101000021 |
4 | 2332102231303 |
5 | 100232242034 |
6 | 4541104311 |
7 | 1144002313 |
oct | 276225563 |
9 | 113771007 |
10 | 49884019 |
11 | 26181669 |
12 | 14858097 |
13 | a447693 |
14 | 68a7443 |
15 | 45a56b4 |
hex | 2f92b73 |
49884019 has 4 divisors (see below), whose sum is σ = 49983696. Its totient is φ = 49784344.
The previous prime is 49884011. The next prime is 49884041. The reversal of 49884019 is 91048894.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91048894 = 2 ⋅45524447.
It is a cyclic number.
It is not a de Polignac number, because 49884019 - 23 = 49884011 is a prime.
It is a super-2 number, since 2×498840192 = 4976830703184722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49884011) 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, 49084 + ... + 50089.
It is an arithmetic number, because the mean of its divisors is an integer number (12495924).
Almost surely, 249884019 is an apocalyptic number.
49884019 is a deficient number, since it is larger than the sum of its proper divisors (99677).
49884019 is an equidigital number, since it uses as much as digits as its factorization.
49884019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99676.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 49884019 is about 7062.8619553266. The cubic root of 49884019 is about 368.1180775590.
The spelling of 49884019 in words is "forty-nine million, eight hundred eighty-four thousand, nineteen".
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