Base | Representation |
---|---|
bin | 1011011010101… |
… | …1011111110100 |
3 | 10100002222111102 |
4 | 2312223133310 |
5 | 44224411442 |
6 | 4430225232 |
7 | 1121021150 |
oct | 266533764 |
9 | 110088442 |
10 | 47888372 |
11 | 25039274 |
12 | 14055218 |
13 | 9bc921c |
14 | 6508060 |
15 | 430e232 |
hex | 2dab7f4 |
47888372 has 12 divisors (see below), whose sum is σ = 95776800. Its totient is φ = 20523576.
The previous prime is 47888327. The next prime is 47888377. The reversal of 47888372 is 27388874.
It is a happy number.
47888372 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47888377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855122 + ... + 855177.
It is an arithmetic number, because the mean of its divisors is an integer number (7981400).
Almost surely, 247888372 is an apocalyptic number.
It is an amenable number.
47888372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47888372 is a wasteful number, since it uses less digits than its factorization.
47888372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1710310 (or 1710308 counting only the distinct ones).
The product of its digits is 602112, while the sum is 47.
The square root of 47888372 is about 6920.1424840822. The cubic root of 47888372 is about 363.1421755350.
The spelling of 47888372 in words is "forty-seven million, eight hundred eighty-eight thousand, three hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •