Base | Representation |
---|---|
bin | 1011010011100… |
… | …1010010101001 |
3 | 10022020012210222 |
4 | 2310321102221 |
5 | 44114424320 |
6 | 4412215425 |
7 | 1114032302 |
oct | 264712251 |
9 | 108205728 |
10 | 47420585 |
11 | 24849873 |
12 | 13a6a575 |
13 | 9a94324 |
14 | 64257a9 |
15 | 426a825 |
hex | 2d394a9 |
47420585 has 8 divisors (see below), whose sum is σ = 57100680. Its totient is φ = 37805824.
The previous prime is 47420579. The next prime is 47420617. The reversal of 47420585 is 58502474.
47420585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 4439449 + 42981136 = 2107^2 + 6556^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47420585 - 224 = 30643369 is a prime.
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, 14720 + ... + 17649.
It is an arithmetic number, because the mean of its divisors is an integer number (7137585).
Almost surely, 247420585 is an apocalyptic number.
It is an amenable number.
47420585 is a deficient number, since it is larger than the sum of its proper divisors (9680095).
47420585 is a wasteful number, since it uses less digits than its factorization.
47420585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32667.
The product of its (nonzero) digits is 44800, while the sum is 35.
The square root of 47420585 is about 6886.2605962888. The cubic root of 47420585 is about 361.9558796691.
The spelling of 47420585 in words is "forty-seven million, four hundred twenty thousand, five hundred eighty-five".
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