Base | Representation |
---|---|
bin | 1001101110101… |
… | …0000111001000 |
3 | 2211210002200012 |
4 | 2123222013020 |
5 | 40421223213 |
6 | 4014331052 |
7 | 1003556312 |
oct | 233520710 |
9 | 84702605 |
10 | 40804808 |
11 | 21040290 |
12 | 117b9a88 |
13 | 85b8c75 |
14 | 55c27b2 |
15 | 38b04a8 |
hex | 26ea1c8 |
40804808 has 32 divisors (see below), whose sum is σ = 84309120. Its totient is φ = 18360000.
The previous prime is 40804801. The next prime is 40804831. The reversal of 40804808 is 80840804.
It is not an unprimeable number, because it can be changed into a prime (40804801) 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, 6593 + ... + 11183.
It is an arithmetic number, because the mean of its divisors is an integer number (2634660).
Almost surely, 240804808 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 40804808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42154560).
40804808 is an abundant number, since it is smaller than the sum of its proper divisors (43504312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40804808 is a wasteful number, since it uses less digits than its factorization.
40804808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4709 (or 4705 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 32.
The square root of 40804808 is about 6387.8641187802. The cubic root of 40804808 is about 344.2736465118.
It can be divided in two parts, 4080 and 4808, that added together give a palindrome (8888).
The spelling of 40804808 in words is "forty million, eight hundred four thousand, eight hundred eight".
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