Base | Representation |
---|---|
bin | 1011011001100… |
… | …1010011001000 |
3 | 10022222012020200 |
4 | 2312121103020 |
5 | 44220020312 |
6 | 4424452200 |
7 | 1120260633 |
oct | 266312310 |
9 | 108865220 |
10 | 47813832 |
11 | 24a98270 |
12 | 1401a060 |
13 | 9ba1311 |
14 | 64c8c1a |
15 | 42e70dc |
hex | 2d994c8 |
47813832 has 96 divisors (see below), whose sum is σ = 143376480. Its totient is φ = 14273280.
The previous prime is 47813819. The next prime is 47813833. The reversal of 47813832 is 23831874.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (47813833) 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, 57403 + ... + 58229.
It is an arithmetic number, because the mean of its divisors is an integer number (1493505).
Almost surely, 247813832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47813832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71688240).
47813832 is an abundant number, since it is smaller than the sum of its proper divisors (95562648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47813832 is a wasteful number, since it uses less digits than its factorization.
47813832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923 (or 916 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 47813832 is about 6914.7546594221. The cubic root of 47813832 is about 362.9536630059.
The spelling of 47813832 in words is "forty-seven million, eight hundred thirteen thousand, eight hundred thirty-two".
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