Base | Representation |
---|---|
bin | 1011011001011… |
… | …0010001010110 |
3 | 10022221120020100 |
4 | 2312112101112 |
5 | 44214121210 |
6 | 4424314530 |
7 | 1120206525 |
oct | 266262126 |
9 | 108846210 |
10 | 47801430 |
11 | 24a89a16 |
12 | 14012a46 |
13 | 9b98791 |
14 | 64c44bc |
15 | 42e35c0 |
hex | 2d96456 |
47801430 has 48 divisors (see below), whose sum is σ = 126335664. Its totient is φ = 12536640.
The previous prime is 47801407. The next prime is 47801441. The reversal of 47801430 is 3410874.
47801430 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 junction number, because it is equal to n+sod(n) for n = 47801394 and 47801403.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1137 + ... + 9843.
It is an arithmetic number, because the mean of its divisors is an integer number (2631993).
Almost surely, 247801430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47801430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63167832).
47801430 is an abundant number, since it is smaller than the sum of its proper divisors (78534234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47801430 is a wasteful number, since it uses less digits than its factorization.
47801430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8781 (or 8778 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 47801430 is about 6913.8578232417. The cubic root of 47801430 is about 362.9222791965.
The spelling of 47801430 in words is "forty-seven million, eight hundred one thousand, four hundred thirty".
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