Base | Representation |
---|---|
bin | 1011010111011… |
… | …0111001110111 |
3 | 10022201000222212 |
4 | 2311312321313 |
5 | 44201013301 |
6 | 4421444035 |
7 | 1116133124 |
oct | 265667167 |
9 | 108630885 |
10 | 47672951 |
11 | 24a01437 |
12 | 13b7061b |
13 | 9b52161 |
14 | 648d74b |
15 | 42ba4bb |
hex | 2d76e77 |
47672951 has 12 divisors (see below), whose sum is σ = 50181432. Its totient is φ = 45284976.
The previous prime is 47672929. The next prime is 47672953. The reversal of 47672951 is 15927674.
Added to its reverse (15927674) it gives a square (63600625 = 79752).
It is a de Polignac number, because none of the positive numbers 2k-47672951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47672899 and 47672908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47672953) 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, 119885 + ... + 120281.
It is an arithmetic number, because the mean of its divisors is an integer number (4181786).
Almost surely, 247672951 is an apocalyptic number.
47672951 is a deficient number, since it is larger than the sum of its proper divisors (2508481).
47672951 is a wasteful number, since it uses less digits than its factorization.
47672951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670 (or 647 counting only the distinct ones).
The product of its digits is 105840, while the sum is 41.
The square root of 47672951 is about 6904.5601597785. The cubic root of 47672951 is about 362.5968375453.
Adding to 47672951 its reverse (15927674), we get a square (63600625 = 79752).
The spelling of 47672951 in words is "forty-seven million, six hundred seventy-two thousand, nine hundred fifty-one".
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