Base | Representation |
---|---|
bin | 1011011100010… |
… | …1010010010101 |
3 | 10100022100101202 |
4 | 2313011102111 |
5 | 44241302010 |
6 | 4432402245 |
7 | 1121641133 |
oct | 267052225 |
9 | 110270352 |
10 | 47994005 |
11 | 25100674 |
12 | 140a6385 |
13 | 9c35327 |
14 | 6534753 |
15 | 43306a5 |
hex | 2dc5495 |
47994005 has 8 divisors (see below), whose sum is σ = 57729024. Its totient is φ = 38304400.
The previous prime is 47993993. The next prime is 47994013. The reversal of 47994005 is 50049974.
47994005 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 not a de Polignac number, because 47994005 - 24 = 47993989 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47994005.
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, 8981 + ... + 13290.
It is an arithmetic number, because the mean of its divisors is an integer number (7216128).
Almost surely, 247994005 is an apocalyptic number.
It is an amenable number.
47994005 is a deficient number, since it is larger than the sum of its proper divisors (9735019).
47994005 is a wasteful number, since it uses less digits than its factorization.
47994005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22707.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 47994005 is about 6927.7705649076. The cubic root of 47994005 is about 363.4089878838.
The spelling of 47994005 in words is "forty-seven million, nine hundred ninety-four thousand, five".
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