Base | Representation |
---|---|
bin | 1011011001011… |
… | …1001000111110 |
3 | 10022221202010012 |
4 | 2312113020332 |
5 | 44214224430 |
6 | 4424343222 |
7 | 1120223102 |
oct | 266271076 |
9 | 108852105 |
10 | 47804990 |
11 | 24a91662 |
12 | 14014b12 |
13 | 9b9a29c |
14 | 64c5902 |
15 | 42e4695 |
hex | 2d9723e |
47804990 has 8 divisors (see below), whose sum is σ = 86049000. Its totient is φ = 19121992.
The previous prime is 47804983. The next prime is 47805013. The reversal of 47804990 is 9940874.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390240 + ... + 2390259.
It is an arithmetic number, because the mean of its divisors is an integer number (10756125).
Almost surely, 247804990 is an apocalyptic number.
47804990 is a deficient number, since it is larger than the sum of its proper divisors (38244010).
47804990 is a wasteful number, since it uses less digits than its factorization.
47804990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4780506.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 47804990 is about 6914.1152723975. The cubic root of 47804990 is about 362.9312884894.
The spelling of 47804990 in words is "forty-seven million, eight hundred four thousand, nine hundred ninety".
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