Base | Representation |
---|---|
bin | 1011011100001… |
… | …1100100111101 |
3 | 10100021222210111 |
4 | 2313003210331 |
5 | 44241041010 |
6 | 4432310021 |
7 | 1121611543 |
oct | 267034475 |
9 | 110258714 |
10 | 47987005 |
11 | 250a6390 |
12 | 140a2311 |
13 | 9c320a1 |
14 | 6531d93 |
15 | 432d58a |
hex | 2dc393d |
47987005 has 24 divisors (see below), whose sum is σ = 66754080. Its totient is φ = 32835840.
The previous prime is 47986963. The next prime is 47987021. The reversal of 47987005 is 50078974.
It is not a de Polignac number, because 47987005 - 27 = 47986877 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14386 + ... + 17404.
It is an arithmetic number, because the mean of its divisors is an integer number (2781420).
Almost surely, 247987005 is an apocalyptic number.
It is an amenable number.
47987005 is a deficient number, since it is larger than the sum of its proper divisors (18767075).
47987005 is a wasteful number, since it uses less digits than its factorization.
47987005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3069 (or 3052 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 40.
The square root of 47987005 is about 6927.2653334487. The cubic root of 47987005 is about 363.3913191034.
The spelling of 47987005 in words is "forty-seven million, nine hundred eighty-seven thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •