Base | Representation |
---|---|
bin | 1011001111010… |
… | …0111001110111 |
3 | 10021200222120101 |
4 | 2303310321313 |
5 | 44031443341 |
6 | 4402214531 |
7 | 1111454530 |
oct | 263647167 |
9 | 107628511 |
10 | 47140471 |
11 | 24678374 |
12 | 13954447 |
13 | 99c6991 |
14 | 6391687 |
15 | 4212831 |
hex | 2cf4e77 |
47140471 has 8 divisors (see below), whose sum is σ = 54237600. Its totient is φ = 40134048.
The previous prime is 47140459. The next prime is 47140487. The reversal of 47140471 is 17404174.
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 47140471 - 27 = 47140343 is a prime.
It is a super-3 number, since 3×471404713 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47140411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21556 + ... + 23641.
It is an arithmetic number, because the mean of its divisors is an integer number (6779700).
Almost surely, 247140471 is an apocalyptic number.
47140471 is a deficient number, since it is larger than the sum of its proper divisors (7097129).
47140471 is a wasteful number, since it uses less digits than its factorization.
47140471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45353.
The product of its (nonzero) digits is 3136, while the sum is 28.
The square root of 47140471 is about 6865.8918575812. The cubic root of 47140471 is about 361.2417790860.
The spelling of 47140471 in words is "forty-seven million, one hundred forty thousand, four hundred seventy-one".
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