Base | Representation |
---|---|
bin | 1011010001110… |
… | …0101100001110 |
3 | 10022000021010012 |
4 | 2310130230032 |
5 | 44102202223 |
6 | 4405513222 |
7 | 1113033620 |
oct | 264345416 |
9 | 108007105 |
10 | 47303438 |
11 | 24779856 |
12 | 13a12812 |
13 | 9a52c00 |
14 | 63d4c10 |
15 | 4245c78 |
hex | 2d1cb0e |
47303438 has 24 divisors (see below), whose sum is σ = 87813648. Its totient is φ = 18712512.
The previous prime is 47303419. The next prime is 47303441. The reversal of 47303438 is 83430374.
47303438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7631 + ... + 12362.
It is an arithmetic number, because the mean of its divisors is an integer number (3658902).
Almost surely, 247303438 is an apocalyptic number.
47303438 is a deficient number, since it is larger than the sum of its proper divisors (40510210).
47303438 is a wasteful number, since it uses less digits than its factorization.
47303438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20028 (or 20015 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 32.
The square root of 47303438 is about 6877.7494865690. The cubic root of 47303438 is about 361.6575773611.
The spelling of 47303438 in words is "forty-seven million, three hundred three thousand, four hundred thirty-eight".
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