Base | Representation |
---|---|
bin | 1010000010000… |
… | …1101000101000 |
3 | 2221011221000110 |
4 | 2200201220220 |
5 | 41233041213 |
6 | 4101534320 |
7 | 1020452400 |
oct | 240415050 |
9 | 87157013 |
10 | 42080808 |
11 | 21831a30 |
12 | 121143a0 |
13 | 89449b3 |
14 | 5835800 |
15 | 3a635c3 |
hex | 2821a28 |
42080808 has 96 divisors (see below), whose sum is σ = 133544160. Its totient is φ = 10926720.
The previous prime is 42080807. The next prime is 42080821. The reversal of 42080808 is 80808024.
It is not an unprimeable number, because it can be changed into a prime (42080807) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11310 + ... + 14562.
It is an arithmetic number, because the mean of its divisors is an integer number (1391085).
Almost surely, 242080808 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 42080808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66772080).
42080808 is an abundant number, since it is smaller than the sum of its proper divisors (91463352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42080808 is a wasteful number, since it uses less digits than its factorization.
42080808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3287 (or 3276 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 30.
The square root of 42080808 is about 6486.9721750598. The cubic root of 42080808 is about 347.8254508449.
The spelling of 42080808 in words is "forty-two million, eighty thousand, eight hundred eight".
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