Base | Representation |
---|---|
bin | 1011110110101… |
… | …0001101010101 |
3 | 10110112221102011 |
4 | 2331222031111 |
5 | 100211434401 |
6 | 4533344221 |
7 | 1142411506 |
oct | 275521525 |
9 | 113487364 |
10 | 49718101 |
11 | 26078a44 |
12 | 14798071 |
13 | a3b9cc4 |
14 | 6862bad |
15 | 4571451 |
hex | 2f6a355 |
49718101 has 4 divisors (see below), whose sum is σ = 49760172. Its totient is φ = 49676032.
The previous prime is 49718089. The next prime is 49718129. The reversal of 49718101 is 10181794.
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 37822500 + 11895601 = 6150^2 + 3449^2 .
It is a cyclic number.
It is not a de Polignac number, because 49718101 - 211 = 49716053 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49718161) 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, 19210 + ... + 21643.
It is an arithmetic number, because the mean of its divisors is an integer number (12440043).
Almost surely, 249718101 is an apocalyptic number.
It is an amenable number.
49718101 is a deficient number, since it is larger than the sum of its proper divisors (42071).
49718101 is a wasteful number, since it uses less digits than its factorization.
49718101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42070.
The product of its (nonzero) digits is 2016, while the sum is 31.
The square root of 49718101 is about 7051.1063670888. The cubic root of 49718101 is about 367.7094947580.
Adding to 49718101 its reverse (10181794), we get a palindrome (59899895).
The spelling of 49718101 in words is "forty-nine million, seven hundred eighteen thousand, one hundred one".
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