Base | Representation |
---|---|
bin | 1011110111000… |
… | …0000101110101 |
3 | 10110121011110121 |
4 | 2331300011311 |
5 | 100213222242 |
6 | 4534051541 |
7 | 1142541661 |
oct | 275600565 |
9 | 113534417 |
10 | 49742197 |
11 | 2609505a |
12 | 147a9bb1 |
13 | a3c7c6b |
14 | 686b8a1 |
15 | 4578667 |
hex | 2f70175 |
49742197 has 8 divisors (see below), whose sum is σ = 51858432. Its totient is φ = 47658000.
The previous prime is 49742191. The next prime is 49742227. The reversal of 49742197 is 79124794.
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 49742197 - 211 = 49740149 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 (49742191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813 + ... + 11074.
It is an arithmetic number, because the mean of its divisors is an integer number (6482304).
Almost surely, 249742197 is an apocalyptic number.
It is an amenable number.
49742197 is a deficient number, since it is larger than the sum of its proper divisors (2116235).
49742197 is a wasteful number, since it uses less digits than its factorization.
49742197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16019.
The product of its digits is 127008, while the sum is 43.
The square root of 49742197 is about 7052.8148281378. The cubic root of 49742197 is about 367.7688889344.
The spelling of 49742197 in words is "forty-nine million, seven hundred forty-two thousand, one hundred ninety-seven".
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