Base | Representation |
---|---|
bin | 11100010011011… |
… | …001101001101000 |
3 | 1020002111202210100 |
4 | 130103121221220 |
5 | 1433030112343 |
6 | 115041345400 |
7 | 14524066026 |
oct | 3423315150 |
9 | 1202452710 |
10 | 474847848 |
11 | 224048242 |
12 | 113038260 |
13 | 774b9877 |
14 | 470c9716 |
15 | 2ba4a9d3 |
hex | 1c4d9a68 |
474847848 has 72 divisors (see below), whose sum is σ = 1357369650. Its totient is φ = 149943744.
The previous prime is 474847847. The next prime is 474847861. The reversal of 474847848 is 848748474.
It can be written as a sum of positive squares in only one way, i.e., 362445444 + 112402404 = 19038^2 + 10602^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×4748478482 = 450960957500462208, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 474847794 and 474847803.
It is not an unprimeable number, because it can be changed into a prime (474847847) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16858 + ... + 35126.
Almost surely, 2474847848 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 474847848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678684825).
474847848 is an abundant number, since it is smaller than the sum of its proper divisors (882521802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
474847848 is a wasteful number, since it uses less digits than its factorization.
474847848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18319 (or 18293 counting only the distinct ones).
The product of its digits is 6422528, while the sum is 54.
The square root of 474847848 is about 21791.0038318569. The cubic root of 474847848 is about 780.1620570576.
The spelling of 474847848 in words is "four hundred seventy-four million, eight hundred forty-seven thousand, eight hundred forty-eight".
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