Base | Representation |
---|---|
bin | 1011010011010… |
… | …0001100100100 |
3 | 10022012011012001 |
4 | 2310310030210 |
5 | 44113242331 |
6 | 4411535044 |
7 | 1113614410 |
oct | 264641444 |
9 | 108164161 |
10 | 47399716 |
11 | 24835121 |
12 | 13a5a484 |
13 | 9a87990 |
14 | 641bd40 |
15 | 4264561 |
hex | 2d34324 |
47399716 has 48 divisors (see below), whose sum is σ = 103130496. Its totient is φ = 18561024.
The previous prime is 47399707. The next prime is 47399719. The reversal of 47399716 is 61799374.
47399716 is a nontrivial binomial coefficient, being equal to C(9737, 2).
It is not an unprimeable number, because it can be changed into a prime (47399719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38340 + ... + 39556.
It is an arithmetic number, because the mean of its divisors is an integer number (2148552).
Almost surely, 247399716 is an apocalyptic number.
47399716 is the 9736-th triangular number.
47399716 is the 3246-th centered nonagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47399716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51565248).
47399716 is an abundant number, since it is smaller than the sum of its proper divisors (55730780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47399716 is a wasteful number, since it uses less digits than its factorization.
47399716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).
The product of its digits is 285768, while the sum is 46.
The square root of 47399716 is about 6884.7451659448. The cubic root of 47399716 is about 361.9027749847.
The spelling of 47399716 in words is "forty-seven million, three hundred ninety-nine thousand, seven hundred sixteen".
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