Base | Representation |
---|---|
bin | 1001010001010… |
… | …0001100000101 |
3 | 2201011022100012 |
4 | 2110110030011 |
5 | 34423130010 |
6 | 3505200005 |
7 | 651321533 |
oct | 224241405 |
9 | 81138305 |
10 | 38880005 |
11 | 1aa4613a |
12 | 11030005 |
13 | 8093b28 |
14 | 5241153 |
15 | 3630005 |
hex | 2514305 |
38880005 has 16 divisors (see below), whose sum is σ = 49610880. Its totient is φ = 29185728.
The previous prime is 38879999. The next prime is 38880029. The reversal of 38880005 is 50008883.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 38880005 - 24 = 38879989 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2906 + ... + 9284.
It is an arithmetic number, because the mean of its divisors is an integer number (3100680).
Almost surely, 238880005 is an apocalyptic number.
It is an amenable number.
38880005 is a deficient number, since it is larger than the sum of its proper divisors (10730875).
38880005 is a wasteful number, since it uses less digits than its factorization.
38880005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6460.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 38880005 is about 6235.3833081856. The cubic root of 38880005 is about 338.7729849193.
Adding to 38880005 its reverse (50008883), we get a palindrome (88888888).
The spelling of 38880005 in words is "thirty-eight million, eight hundred eighty thousand, five".
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