Base | Representation |
---|---|
bin | 1011011011100… |
… | …0110101000111 |
3 | 10100012202102001 |
4 | 2312320311013 |
5 | 44233133413 |
6 | 4431330131 |
7 | 1121336314 |
oct | 266706507 |
9 | 110182361 |
10 | 47942983 |
11 | 25076300 |
12 | 14080947 |
13 | 9c1803a |
14 | 651dd0b |
15 | 43204dd |
hex | 2db8d47 |
47942983 has 12 divisors (see below), whose sum is σ = 53232984. Its totient is φ = 43142000.
The previous prime is 47942927. The next prime is 47943001. The reversal of 47942983 is 38924974.
It is a happy number.
It is not a de Polignac number, because 47942983 - 29 = 47942471 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 (47942183) 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, 10260 + ... + 14182.
It is an arithmetic number, because the mean of its divisors is an integer number (4436082).
Almost surely, 247942983 is an apocalyptic number.
47942983 is a deficient number, since it is larger than the sum of its proper divisors (5290001).
47942983 is a wasteful number, since it uses less digits than its factorization.
47942983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4046 (or 4035 counting only the distinct ones).
The product of its digits is 435456, while the sum is 46.
The square root of 47942983 is about 6924.0871600522. The cubic root of 47942983 is about 363.2801632676.
Subtracting from 47942983 its reverse (38924974), we obtain a square (9018009 = 30032).
It can be divided in two parts, 4794 and 2983, that added together give a palindrome (7777).
The spelling of 47942983 in words is "forty-seven million, nine hundred forty-two thousand, nine hundred eighty-three".
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