Base | Representation |
---|---|
bin | 1011101100101… |
… | …1100001001101 |
3 | 10102022220210101 |
4 | 2323023201031 |
5 | 100030134414 |
6 | 4511411101 |
7 | 1134033466 |
oct | 273134115 |
9 | 112286711 |
10 | 49068109 |
11 | 25774662 |
12 | 14523a91 |
13 | a2201ac |
14 | 6733d6d |
15 | 4493a74 |
hex | 2ecb84d |
49068109 has 4 divisors (see below), whose sum is σ = 49165020. Its totient is φ = 48971200.
The previous prime is 49068077. The next prime is 49068121. The reversal of 49068109 is 90186094.
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 14845609 + 34222500 = 3853^2 + 5850^2 .
It is a cyclic number.
It is not a de Polignac number, because 49068109 - 25 = 49068077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49068199) 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, 47692 + ... + 48709.
It is an arithmetic number, because the mean of its divisors is an integer number (12291255).
Almost surely, 249068109 is an apocalyptic number.
It is an amenable number.
49068109 is a deficient number, since it is larger than the sum of its proper divisors (96911).
49068109 is an equidigital number, since it uses as much as digits as its factorization.
49068109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96910.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 49068109 is about 7004.8632392075. The cubic root of 49068109 is about 366.1000378500.
The spelling of 49068109 in words is "forty-nine million, sixty-eight thousand, one hundred nine".
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