Base | Representation |
---|---|
bin | 1011110111000… |
… | …0100100001111 |
3 | 10110121021010200 |
4 | 2331300210033 |
5 | 100213303033 |
6 | 4534104543 |
7 | 1142550441 |
oct | 275604417 |
9 | 113537120 |
10 | 49744143 |
11 | 26096569 |
12 | 147ab153 |
13 | a3c8b07 |
14 | 686c491 |
15 | 4579013 |
hex | 2f7090f |
49744143 has 12 divisors (see below), whose sum is σ = 71919120. Its totient is φ = 33132096.
The previous prime is 49744073. The next prime is 49744187. The reversal of 49744143 is 34144794.
It is not a de Polignac number, because 49744143 - 210 = 49743119 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 49744098 and 49744107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49744043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12198 + ... + 15756.
It is an arithmetic number, because the mean of its divisors is an integer number (5993260).
Almost surely, 249744143 is an apocalyptic number.
49744143 is a deficient number, since it is larger than the sum of its proper divisors (22174977).
49744143 is a wasteful number, since it uses less digits than its factorization.
49744143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5118 (or 5115 counting only the distinct ones).
The product of its digits is 48384, while the sum is 36.
The square root of 49744143 is about 7052.9527858905. The cubic root of 49744143 is about 367.7736847882.
The spelling of 49744143 in words is "forty-nine million, seven hundred forty-four thousand, one hundred forty-three".
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