Base | Representation |
---|---|
bin | 1011001101010… |
… | …0101011100001 |
3 | 10021110021111212 |
4 | 2303110223201 |
5 | 44013232411 |
6 | 4355315505 |
7 | 1110364652 |
oct | 263245341 |
9 | 107407455 |
10 | 47008481 |
11 | 24598193 |
12 | 138abb95 |
13 | 997b890 |
14 | 6359529 |
15 | 41d868b |
hex | 2cd4ae1 |
47008481 has 8 divisors (see below), whose sum is σ = 52825920. Its totient is φ = 41505552.
The previous prime is 47008477. The next prime is 47008487. The reversal of 47008481 is 18480074.
47008481 = 2382 + 2392 + ... + 5362.
47008481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 47008481 - 22 = 47008477 is a prime.
It is a super-2 number, since 2×470084812 = 4419594571854722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47008487) by changing a digit.
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, 78311 + ... + 78908.
It is an arithmetic number, because the mean of its divisors is an integer number (6603240).
Almost surely, 247008481 is an apocalyptic number.
It is an amenable number.
47008481 is a deficient number, since it is larger than the sum of its proper divisors (5817439).
47008481 is a wasteful number, since it uses less digits than its factorization.
47008481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157255.
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 47008481 is about 6856.2731129966. The cubic root of 47008481 is about 360.9043134133.
The spelling of 47008481 in words is "forty-seven million, eight thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •