Base | Representation |
---|---|
bin | 1011010000110… |
… | …0111010011100 |
3 | 10021212222110122 |
4 | 2310030322130 |
5 | 44043120222 |
6 | 4404254112 |
7 | 1112344325 |
oct | 264147234 |
9 | 107788418 |
10 | 47238812 |
11 | 24735245 |
12 | 139a1338 |
13 | 9a2c67a |
14 | 63b944c |
15 | 4231a42 |
hex | 2d0ce9c |
47238812 has 6 divisors (see below), whose sum is σ = 82667928. Its totient is φ = 23619404.
The previous prime is 47238809. The next prime is 47238817. The reversal of 47238812 is 21883274.
47238812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47238817) 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 as a sum of consecutive naturals, namely, 5904848 + ... + 5904855.
It is an arithmetic number, because the mean of its divisors is an integer number (13777988).
Almost surely, 247238812 is an apocalyptic number.
It is an amenable number.
47238812 is a deficient number, since it is larger than the sum of its proper divisors (35429116).
47238812 is a wasteful number, since it uses less digits than its factorization.
47238812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11809707 (or 11809705 counting only the distinct ones).
The product of its digits is 21504, while the sum is 35.
The square root of 47238812 is about 6873.0496870021. The cubic root of 47238812 is about 361.4928033298.
The spelling of 47238812 in words is "forty-seven million, two hundred thirty-eight thousand, eight hundred twelve".
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