Base | Representation |
---|---|
bin | 1001010001010… |
… | …0101000010000 |
3 | 2201011101210222 |
4 | 2110110220100 |
5 | 34423204213 |
6 | 3505212212 |
7 | 651330020 |
oct | 224245020 |
9 | 81141728 |
10 | 38881808 |
11 | 1aa47529 |
12 | 11031068 |
13 | 80948b4 |
14 | 5241a80 |
15 | 3630808 |
hex | 2514a10 |
38881808 has 40 divisors (see below), whose sum is σ = 89071680. Its totient is φ = 16087680.
The previous prime is 38881793. The next prime is 38881811. The reversal of 38881808 is 80818883.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738 + ... + 9233.
It is an arithmetic number, because the mean of its divisors is an integer number (2226792).
Almost surely, 238881808 is an apocalyptic number.
It is an amenable number.
38881808 is an abundant number, since it is smaller than the sum of its proper divisors (50189872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38881808 is a wasteful number, since it uses less digits than its factorization.
38881808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12015 (or 12009 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 44.
The square root of 38881808 is about 6235.5278846301. The cubic root of 38881808 is about 338.7782215292.
The spelling of 38881808 in words is "thirty-eight million, eight hundred eighty-one thousand, eight hundred eight".
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