Base | Representation |
---|---|
bin | 1011010011101… |
… | …1110011111111 |
3 | 10022020201222102 |
4 | 2310323303333 |
5 | 44120242121 |
6 | 4412335315 |
7 | 1114104353 |
oct | 264736377 |
9 | 108221872 |
10 | 47430911 |
11 | 24856600 |
12 | 13a7453b |
13 | 9a98c38 |
14 | 6429463 |
15 | 426d90b |
hex | 2d3bcff |
47430911 has 12 divisors (see below), whose sum is σ = 52878672. Its totient is φ = 42504000.
The previous prime is 47430893. The next prime is 47430937. The reversal of 47430911 is 11903474.
It is a de Polignac number, because none of the positive numbers 2k-47430911 is a prime.
It is a super-4 number, since 4×474309114 (a number of 32 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47430941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5831 + ... + 11351.
It is an arithmetic number, because the mean of its divisors is an integer number (4406556).
Almost surely, 247430911 is an apocalyptic number.
47430911 is a deficient number, since it is larger than the sum of its proper divisors (5447761).
47430911 is a wasteful number, since it uses less digits than its factorization.
47430911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5614 (or 5603 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 47430911 is about 6887.0103092706. The cubic root of 47430911 is about 361.9821501531.
The spelling of 47430911 in words is "forty-seven million, four hundred thirty thousand, nine hundred eleven".
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