Base | Representation |
---|---|
bin | 1011010111100… |
… | …1011101100111 |
3 | 10022201120101000 |
4 | 2311321131213 |
5 | 44201332211 |
6 | 4422004343 |
7 | 1116205515 |
oct | 265713547 |
9 | 108646330 |
10 | 47683431 |
11 | 24a092a4 |
12 | 13b766b3 |
13 | 9b56b63 |
14 | 64934b5 |
15 | 42bd656 |
hex | 2d79767 |
47683431 has 32 divisors (see below), whose sum is σ = 73483520. Its totient is φ = 30536352.
The previous prime is 47683409. The next prime is 47683459. The reversal of 47683431 is 13438674.
It is not a de Polignac number, because 47683431 - 25 = 47683399 is a prime.
It is a super-2 number, since 2×476834312 = 4547419183863522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47683481) 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 31 ways as a sum of consecutive naturals, for example, 77481 + ... + 78093.
It is an arithmetic number, because the mean of its divisors is an integer number (2296360).
Almost surely, 247683431 is an apocalyptic number.
47683431 is a deficient number, since it is larger than the sum of its proper divisors (25800089).
47683431 is a wasteful number, since it uses less digits than its factorization.
47683431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 732 (or 726 counting only the distinct ones).
The product of its digits is 48384, while the sum is 36.
The square root of 47683431 is about 6905.3190368005. The cubic root of 47683431 is about 362.6234056260.
The spelling of 47683431 in words is "forty-seven million, six hundred eighty-three thousand, four hundred thirty-one".
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