Base | Representation |
---|---|
bin | 1011011001110… |
… | …1011000111110 |
3 | 10100000001020100 |
4 | 2312131120332 |
5 | 44221034330 |
6 | 4425101530 |
7 | 1120360533 |
oct | 266353076 |
9 | 110001210 |
10 | 47830590 |
11 | 24aa9915 |
12 | 140278a6 |
13 | 9ba8b32 |
14 | 64d0d8a |
15 | 42ec060 |
hex | 2d9d63e |
47830590 has 48 divisors (see below), whose sum is σ = 125096400. Its totient is φ = 12679296.
The previous prime is 47830583. The next prime is 47830591. The reversal of 47830590 is 9503874.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47830591) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14626 + ... + 17594.
It is an arithmetic number, because the mean of its divisors is an integer number (2606175).
Almost surely, 247830590 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47830590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62548200).
47830590 is an abundant number, since it is smaller than the sum of its proper divisors (77265810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47830590 is a wasteful number, since it uses less digits than its factorization.
47830590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3161 (or 3158 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 47830590 is about 6915.9663099237. The cubic root of 47830590 is about 362.9960612463.
The spelling of 47830590 in words is "forty-seven million, eight hundred thirty thousand, five hundred ninety".
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