Base | Representation |
---|---|
bin | 1001010001010… |
… | …0100100100000 |
3 | 2201011101111002 |
4 | 2110110210200 |
5 | 34423202233 |
6 | 3505211132 |
7 | 651326225 |
oct | 224244440 |
9 | 81141432 |
10 | 38881568 |
11 | 1aa47330 |
12 | 11030aa8 |
13 | 809475b |
14 | 524194c |
15 | 36306e8 |
hex | 2514920 |
38881568 has 24 divisors (see below), whose sum is σ = 83507760. Its totient is φ = 17673280.
The previous prime is 38881537. The next prime is 38881597. The reversal of 38881568 is 86518883.
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, 54878 + ... + 55581.
It is an arithmetic number, because the mean of its divisors is an integer number (3479490).
Almost surely, 238881568 is an apocalyptic number.
It is an amenable number.
38881568 is an abundant number, since it is smaller than the sum of its proper divisors (44626192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38881568 is a wasteful number, since it uses less digits than its factorization.
38881568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110480 (or 110472 counting only the distinct ones).
The product of its digits is 368640, while the sum is 47.
The square root of 38881568 is about 6235.5086400389. The cubic root of 38881568 is about 338.7775244856. Note that the first 3 decimals are identical.
It can be divided in two parts, 388815 and 68, that added together give a palindrome (388883).
The spelling of 38881568 in words is "thirty-eight million, eight hundred eighty-one thousand, five hundred sixty-eight".
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