Base | Representation |
---|---|
bin | 1011010100011… |
… | …0100000110000 |
3 | 10022022222002120 |
4 | 2311012200300 |
5 | 44123142421 |
6 | 4413314240 |
7 | 1114346211 |
oct | 265064060 |
9 | 108288076 |
10 | 47474736 |
11 | 24886521 |
12 | 13a95980 |
13 | 9ab2b7a |
14 | 643b408 |
15 | 427b8c6 |
hex | 2d46830 |
47474736 has 40 divisors (see below), whose sum is σ = 124032240. Its totient is φ = 15645696.
The previous prime is 47474731. The next prime is 47474743. The reversal of 47474736 is 63747474.
It is not an unprimeable number, because it can be changed into a prime (47474731) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285 + ... + 9828.
It is an arithmetic number, because the mean of its divisors is an integer number (3100806).
Almost surely, 247474736 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 47474736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62016120).
47474736 is an abundant number, since it is smaller than the sum of its proper divisors (76557504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47474736 is a wasteful number, since it uses less digits than its factorization.
47474736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11213 (or 11207 counting only the distinct ones).
The product of its digits is 395136, while the sum is 42.
The square root of 47474736 is about 6890.1912890717. The cubic root of 47474736 is about 362.0936033803.
The spelling of 47474736 in words is "forty-seven million, four hundred seventy-four thousand, seven hundred thirty-six".
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