Base | Representation |
---|---|
bin | 1011001101001… |
… | …0111000110111 |
3 | 10021102220110002 |
4 | 2303102320313 |
5 | 44013014033 |
6 | 4355221515 |
7 | 1110334400 |
oct | 263227067 |
9 | 107386402 |
10 | 47001143 |
11 | 24592722 |
12 | 138a789b |
13 | 9978437 |
14 | 63569a7 |
15 | 41d63e8 |
hex | 2cd2e37 |
47001143 has 6 divisors (see below), whose sum is σ = 54674856. Its totient is φ = 40286652.
The previous prime is 47001131. The next prime is 47001151. The reversal of 47001143 is 34110074.
It is not a de Polignac number, because 47001143 - 214 = 46984759 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 (47001173) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479555 + ... + 479652.
It is an arithmetic number, because the mean of its divisors is an integer number (9112476).
Almost surely, 247001143 is an apocalyptic number.
47001143 is a deficient number, since it is larger than the sum of its proper divisors (7673713).
47001143 is an equidigital number, since it uses as much as digits as its factorization.
47001143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 959221 (or 959214 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 47001143 is about 6855.7379617369. The cubic root of 47001143 is about 360.8855334428.
The spelling of 47001143 in words is "forty-seven million, one thousand, one hundred forty-three".
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