Base | Representation |
---|---|
bin | 1011111010100… |
… | …1001100010001 |
3 | 10111001001021222 |
4 | 2332221030101 |
5 | 100243213311 |
6 | 4543054425 |
7 | 1144534601 |
oct | 276511421 |
9 | 114031258 |
10 | 49976081 |
11 | 26234851 |
12 | 148a1415 |
13 | a47a55c |
14 | 68ccc01 |
15 | 45c2adb |
hex | 2fa9311 |
49976081 has 4 divisors (see below), whose sum is σ = 50537700. Its totient is φ = 49414464.
The previous prime is 49976071. The next prime is 49976117. The reversal of 49976081 is 18067994.
49976081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 33166081 + 16810000 = 5759^2 + 4100^2 .
It is a cyclic number.
It is not a de Polignac number, because 49976081 - 222 = 45781777 is a prime.
It is a super-2 number, since 2×499760812 = 4995217344237122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49976021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280676 + ... + 280853.
It is an arithmetic number, because the mean of its divisors is an integer number (12634425).
Almost surely, 249976081 is an apocalyptic number.
It is an amenable number.
49976081 is a deficient number, since it is larger than the sum of its proper divisors (561619).
49976081 is an equidigital number, since it uses as much as digits as its factorization.
49976081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561618.
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 49976081 is about 7069.3762808327. The cubic root of 49976081 is about 368.3443949277.
The spelling of 49976081 in words is "forty-nine million, nine hundred seventy-six thousand, eighty-one".
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