Base | Representation |
---|---|
bin | 1011101111111… |
… | …1010011110111 |
3 | 10102201200210100 |
4 | 2323333103313 |
5 | 100103431442 |
6 | 4520125143 |
7 | 1135606122 |
oct | 273772367 |
9 | 112650710 |
10 | 49280247 |
11 | 258a9a85 |
12 | 146067b3 |
13 | a295913 |
14 | 678b3b9 |
15 | 44d684c |
hex | 2eff4f7 |
49280247 has 12 divisors (see below), whose sum is σ = 71875024. Its totient is φ = 32533920.
The previous prime is 49280207. The next prime is 49280249. The reversal of 49280247 is 74208294.
It is not a de Polignac number, because 49280247 - 218 = 49018103 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 (49280249) 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, 25654 + ... + 27507.
Almost surely, 249280247 is an apocalyptic number.
49280247 is a deficient number, since it is larger than the sum of its proper divisors (22594777).
49280247 is a wasteful number, since it uses less digits than its factorization.
49280247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53270 (or 53267 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 49280247 is about 7019.9891025556. The cubic root of 49280247 is about 366.6268707039.
The spelling of 49280247 in words is "forty-nine million, two hundred eighty thousand, two hundred forty-seven".
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