Base | Representation |
---|---|
bin | 1011001101001… |
… | …0110100100111 |
3 | 10021102220002000 |
4 | 2303102310213 |
5 | 44013011441 |
6 | 4355220343 |
7 | 1110333531 |
oct | 263226447 |
9 | 107386060 |
10 | 47000871 |
11 | 245924a5 |
12 | 138a76b3 |
13 | 9978288 |
14 | 6356851 |
15 | 41d62b6 |
hex | 2cd2d27 |
47000871 has 16 divisors (see below), whose sum is σ = 69804000. Its totient is φ = 31256064.
The previous prime is 47000843. The next prime is 47000873. The reversal of 47000871 is 17800074.
It is not a de Polignac number, because 47000871 - 25 = 47000839 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47000873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10185 + ... + 14061.
It is an arithmetic number, because the mean of its divisors is an integer number (4362750).
Almost surely, 247000871 is an apocalyptic number.
47000871 is a deficient number, since it is larger than the sum of its proper divisors (22803129).
47000871 is a wasteful number, since it uses less digits than its factorization.
47000871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4335 (or 4329 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 47000871 is about 6855.7181243105. The cubic root of 47000871 is about 360.8848372820.
The spelling of 47000871 in words is "forty-seven million, eight hundred seventy-one", and thus it is an aban number.
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