Base | Representation |
---|---|
bin | 1011010010011… |
… | …0011000100100 |
3 | 10022002021120122 |
4 | 2310212120210 |
5 | 44104440030 |
6 | 4410421112 |
7 | 1113260435 |
oct | 264463044 |
9 | 108067518 |
10 | 47343140 |
11 | 247a6669 |
12 | 13a31798 |
13 | 9a67cc0 |
14 | 640548c |
15 | 42528e5 |
hex | 2d26624 |
47343140 has 24 divisors (see below), whose sum is σ = 107068920. Its totient is φ = 17480448.
The previous prime is 47343119. The next prime is 47343143. The reversal of 47343140 is 4134374.
It can be written as a sum of positive squares in 4 ways, for example, as 2292196 + 45050944 = 1514^2 + 6712^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (47343143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90785 + ... + 91304.
It is an arithmetic number, because the mean of its divisors is an integer number (4461205).
Almost surely, 247343140 is an apocalyptic number.
It is an amenable number.
47343140 is an abundant number, since it is smaller than the sum of its proper divisors (59725780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47343140 is a wasteful number, since it uses less digits than its factorization.
47343140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182111 (or 182109 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 26.
The square root of 47343140 is about 6880.6351451011. The cubic root of 47343140 is about 361.7587293742.
The spelling of 47343140 in words is "forty-seven million, three hundred forty-three thousand, one hundred forty".
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