Base | Representation |
---|---|
bin | 1011010100100… |
… | …0111110001101 |
3 | 10022100110220210 |
4 | 2311020332031 |
5 | 44124003223 |
6 | 4413433033 |
7 | 1114420455 |
oct | 265107615 |
9 | 108313823 |
10 | 47484813 |
11 | 24893052 |
12 | 13a9b779 |
13 | 9ab762c |
14 | 6440d65 |
15 | 427e893 |
hex | 2d48f8d |
47484813 has 8 divisors (see below), whose sum is σ = 63382176. Its totient is φ = 31622000.
The previous prime is 47484809. The next prime is 47484863. The reversal of 47484813 is 31848474.
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 47484813 - 22 = 47484809 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47484863) 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, 5238 + ... + 11063.
It is an arithmetic number, because the mean of its divisors is an integer number (7922772).
Almost surely, 247484813 is an apocalyptic number.
It is an amenable number.
47484813 is a deficient number, since it is larger than the sum of its proper divisors (15897363).
47484813 is a wasteful number, since it uses less digits than its factorization.
47484813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17275.
The product of its digits is 86016, while the sum is 39.
The square root of 47484813 is about 6890.9225071829. The cubic root of 47484813 is about 362.1192209291.
The spelling of 47484813 in words is "forty-seven million, four hundred eighty-four thousand, eight hundred thirteen".
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