Base | Representation |
---|---|
bin | 1011001110101… |
… | …1001000010110 |
3 | 10021121221122200 |
4 | 2303223020112 |
5 | 44024203223 |
6 | 4401305330 |
7 | 1111230030 |
oct | 263531026 |
9 | 107557580 |
10 | 47100438 |
11 | 24650290 |
12 | 13935246 |
13 | 99b16a8 |
14 | 6380c50 |
15 | 4205a43 |
hex | 2ceb216 |
47100438 has 96 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 11508480.
The previous prime is 47100433. The next prime is 47100451. The reversal of 47100438 is 83400174.
47100438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47100433) 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 in 47 ways as a sum of consecutive naturals, for example, 22563 + ... + 24561.
It is an arithmetic number, because the mean of its divisors is an integer number (1404000).
Almost surely, 247100438 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47100438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392000).
47100438 is an abundant number, since it is smaller than the sum of its proper divisors (87683562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47100438 is a wasteful number, since it uses less digits than its factorization.
47100438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2042 (or 2039 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 47100438 is about 6862.9758851390. The cubic root of 47100438 is about 361.1394912676.
The spelling of 47100438 in words is "forty-seven million, one hundred thousand, four hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •