Base | Representation |
---|---|
bin | 1011011011011… |
… | …1001101011101 |
3 | 10100012102022100 |
4 | 2312313031131 |
5 | 44232430344 |
6 | 4431235313 |
7 | 1121311056 |
oct | 266671535 |
9 | 110172270 |
10 | 47936349 |
11 | 2507131a |
12 | 14078b39 |
13 | 9c15006 |
14 | 651b72d |
15 | 431d569 |
hex | 2db735d |
47936349 has 12 divisors (see below), whose sum is σ = 71113276. Its totient is φ = 31093632.
The previous prime is 47936279. The next prime is 47936351. The reversal of 47936349 is 94363974.
47936349 is a `hidden beast` number, since 4 + 7 + 9 + 3 + 634 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 28196100 = 4443^2 + 5310^2 .
It is not a de Polignac number, because 47936349 - 29 = 47935837 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 (47936359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71644 + ... + 72309.
Almost surely, 247936349 is an apocalyptic number.
It is an amenable number.
47936349 is a deficient number, since it is larger than the sum of its proper divisors (23176927).
47936349 is a wasteful number, since it uses less digits than its factorization.
47936349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143996 (or 143993 counting only the distinct ones).
The product of its digits is 489888, while the sum is 45.
The square root of 47936349 is about 6923.6080911617. The cubic root of 47936349 is about 363.2634064756.
It can be divided in two parts, 47 and 936349, that added together give a triangular number (936396 = T1368).
The spelling of 47936349 in words is "forty-seven million, nine hundred thirty-six thousand, three hundred forty-nine".
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