Base | Representation |
---|---|
bin | 1011011010001… |
… | …0101110011000 |
3 | 10100001011012121 |
4 | 2312202232120 |
5 | 44222234230 |
6 | 4425351024 |
7 | 1120511326 |
oct | 266425630 |
9 | 110034177 |
10 | 47852440 |
11 | 25014279 |
12 | 14038474 |
13 | 9bb5a6c |
14 | 64d8d16 |
15 | 430377a |
hex | 2da2b98 |
47852440 has 32 divisors (see below), whose sum is σ = 107866080. Its totient is φ = 19105792.
The previous prime is 47852429. The next prime is 47852459. The reversal of 47852440 is 4425874.
It is a happy number.
47852440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 47852396 and 47852405.
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 7 ways as a sum of consecutive naturals, for example, 38712 + ... + 39928.
It is an arithmetic number, because the mean of its divisors is an integer number (3370815).
Almost surely, 247852440 is an apocalyptic number.
47852440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47852440 is an abundant number, since it is smaller than the sum of its proper divisors (60013640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47852440 is a wasteful number, since it uses less digits than its factorization.
47852440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2211 (or 2207 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 34.
The square root of 47852440 is about 6917.5458075823. The cubic root of 47852440 is about 363.0513275274.
It can be divided in two parts, 4785 and 2440, that added together give a square (7225 = 852).
The spelling of 47852440 in words is "forty-seven million, eight hundred fifty-two thousand, four hundred forty".
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