Base | Representation |
---|---|
bin | 1001000101000… |
… | …0100111011010 |
3 | 2122122121111001 |
4 | 2101100213122 |
5 | 34222011223 |
6 | 3440055214 |
7 | 641444212 |
oct | 221204732 |
9 | 78577431 |
10 | 38078938 |
11 | 1a5492a7 |
12 | 1090450a |
13 | 7b73321 |
14 | 50b3242 |
15 | 35229ad |
hex | 24509da |
38078938 has 8 divisors (see below), whose sum is σ = 59601888. Its totient is φ = 18211644.
The previous prime is 38078927. The next prime is 38078939. The reversal of 38078938 is 83987083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 827803 = 38078938 / (3 + 8 + 0 + 7 + 8 + 9 + 3 + 8).
It is not an unprimeable number, because it can be changed into a prime (38078939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413856 + ... + 413947.
It is an arithmetic number, because the mean of its divisors is an integer number (7450236).
Almost surely, 238078938 is an apocalyptic number.
38078938 is a deficient number, since it is larger than the sum of its proper divisors (21522950).
38078938 is a wasteful number, since it uses less digits than its factorization.
38078938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 827828.
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 38078938 is about 6170.8133985723. The cubic root of 38078938 is about 336.4301758218.
The spelling of 38078938 in words is "thirty-eight million, seventy-eight thousand, nine hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.119 sec. • engine limits •