Base | Representation |
---|---|
bin | 1111010000010001100000 |
3 | 21112011100022 |
4 | 33100101200 |
5 | 2010430231 |
6 | 221413012 |
7 | 45663233 |
oct | 17202140 |
9 | 7464308 |
10 | 3998816 |
11 | 2291408 |
12 | 140a168 |
13 | aa0183 |
14 | 76141a |
15 | 53ec7b |
hex | 3d0460 |
3998816 has 24 divisors (see below), whose sum is σ = 8288280. Its totient is φ = 1893888.
The previous prime is 3998809. The next prime is 3998821. The reversal of 3998816 is 6188993.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2681 + ... + 3896.
It is an arithmetic number, because the mean of its divisors is an integer number (345345).
Almost surely, 23998816 is an apocalyptic number.
It is an amenable number.
3998816 is an abundant number, since it is smaller than the sum of its proper divisors (4289464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3998816 is a wasteful number, since it uses less digits than its factorization.
3998816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6606 (or 6598 counting only the distinct ones).
The product of its digits is 93312, while the sum is 44.
The square root of 3998816 is about 1999.7039780928. The cubic root of 3998816 is about 158.7244412942.
It can be divided in two parts, 39988 and 16, that added together give a palindrome (40004).
The spelling of 3998816 in words is "three million, nine hundred ninety-eight thousand, eight hundred sixteen".
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