Base | Representation |
---|---|
bin | 1011010010111… |
… | …1100111001111 |
3 | 10022011012102202 |
4 | 2310233213033 |
5 | 44112142233 |
6 | 4411312115 |
7 | 1113505601 |
oct | 264574717 |
9 | 108135382 |
10 | 47380943 |
11 | 24822005 |
12 | 13a4b63b |
13 | 9a7c27c |
14 | 6415171 |
15 | 425dbe8 |
hex | 2d2f9cf |
47380943 has 6 divisors (see below), whose sum is σ = 49531104. Its totient is φ = 45320396.
The previous prime is 47380937. The next prime is 47380951. The reversal of 47380943 is 34908374.
It is not a de Polignac number, because 47380943 - 28 = 47380687 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47380897 and 47380906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47380903) 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 5 ways as a sum of consecutive naturals, for example, 44255 + ... + 45312.
It is an arithmetic number, because the mean of its divisors is an integer number (8255184).
Almost surely, 247380943 is an apocalyptic number.
47380943 is a deficient number, since it is larger than the sum of its proper divisors (2150161).
47380943 is an equidigital number, since it uses as much as digits as its factorization.
47380943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89613 (or 89590 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 38.
The square root of 47380943 is about 6883.3816543905. The cubic root of 47380943 is about 361.8549906061.
The spelling of 47380943 in words is "forty-seven million, three hundred eighty thousand, nine hundred forty-three".
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