Base | Representation |
---|---|
bin | 101111111011101… |
… | …000011110000000 |
3 | 2002001011122001212 |
4 | 233323220132000 |
5 | 3121331131113 |
6 | 211443545252 |
7 | 25633154621 |
oct | 5773503600 |
9 | 2061148055 |
10 | 804161408 |
11 | 382a23406 |
12 | 1a538b228 |
13 | ca7ac06b |
14 | 78b2da48 |
15 | 4a8ea0a8 |
hex | 2fee8780 |
804161408 has 32 divisors (see below), whose sum is σ = 1607271120. Its totient is φ = 400768000.
The previous prime is 804161401. The next prime is 804161411.
804161408 is nontrivially palindromic in base 10.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804161401) 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, 29708 + ... + 49908.
Almost surely, 2804161408 is an apocalyptic number.
It is an amenable number.
804161408 is a deficient number, since it is larger than the sum of its proper divisors (803109712).
804161408 is a wasteful number, since it uses less digits than its factorization.
804161408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20526 (or 20514 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 804161408 is about 28357.7398253105. The cubic root of 804161408 is about 929.9246125348.
The spelling of 804161408 in words is "eight hundred four million, one hundred sixty-one thousand, four hundred eight".
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