Base | Representation |
---|---|
bin | 11000001000010… |
… | …101011100010000 |
3 | 1001012202220112221 |
4 | 120020111130100 |
5 | 1312114310120 |
6 | 104101030424 |
7 | 13014032116 |
oct | 3010253420 |
9 | 1035686487 |
10 | 404838160 |
11 | 19857a9a1 |
12 | b36b5414 |
13 | 65b4680c |
14 | 3baa3ab6 |
15 | 2581c0aa |
hex | 18215710 |
404838160 has 20 divisors (see below), whose sum is σ = 941248908. Its totient is φ = 161935232.
The previous prime is 404838143. The next prime is 404838167. The reversal of 404838160 is 61838404.
It can be written as a sum of positive squares in 2 ways, for example, as 117332224 + 287505936 = 10832^2 + 16956^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (404838167) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530159 + ... + 2530318.
Almost surely, 2404838160 is an apocalyptic number.
404838160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
404838160 is an abundant number, since it is smaller than the sum of its proper divisors (536410748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
404838160 is a wasteful number, since it uses less digits than its factorization.
404838160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5060490 (or 5060484 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 404838160 is about 20120.5904485927. The cubic root of 404838160 is about 739.7650581167.
The spelling of 404838160 in words is "four hundred four million, eight hundred thirty-eight thousand, one hundred sixty".
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