Base | Representation |
---|---|
bin | 1011010011000… |
… | …1100010110000 |
3 | 10022011121021112 |
4 | 2310301202300 |
5 | 44112420343 |
6 | 4411412452 |
7 | 1113540623 |
oct | 264614260 |
9 | 108147245 |
10 | 47388848 |
11 | 24827a41 |
12 | 13a54128 |
13 | 9a82a50 |
14 | 6417dba |
15 | 4261218 |
hex | 2d318b0 |
47388848 has 40 divisors (see below), whose sum is σ = 99660288. Its totient is φ = 21699072.
The previous prime is 47388841. The next prime is 47388917. The reversal of 47388848 is 84888374.
It is a junction number, because it is equal to n+sod(n) for n = 47388796 and 47388805.
It is not an unprimeable number, because it can be changed into a prime (47388841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27665 + ... + 29327.
Almost surely, 247388848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47388848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49830144).
47388848 is an abundant number, since it is smaller than the sum of its proper divisors (52271440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47388848 is a wasteful number, since it uses less digits than its factorization.
47388848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1821 (or 1815 counting only the distinct ones).
The product of its digits is 1376256, while the sum is 50.
The square root of 47388848 is about 6883.9558394865. The cubic root of 47388848 is about 361.8751133562.
The spelling of 47388848 in words is "forty-seven million, three hundred eighty-eight thousand, eight hundred forty-eight".
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