Base | Representation |
---|---|
bin | 1001010001111… |
… | …0000000011011 |
3 | 2201020100111121 |
4 | 2110132000123 |
5 | 34430421334 |
6 | 3510110111 |
7 | 651550012 |
oct | 224360033 |
9 | 81210447 |
10 | 38920219 |
11 | 1aa73378 |
12 | 1104b337 |
13 | 80a9220 |
14 | 5251a79 |
15 | 363bdb4 |
hex | 251e01b |
38920219 has 8 divisors (see below), whose sum is σ = 42445760. Its totient is φ = 35470656.
The previous prime is 38920213. The next prime is 38920229. The reversal of 38920219 is 91202983.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38920219 - 211 = 38918171 is a prime.
It is a super-2 number, since 2×389202192 = 3029566894015922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38920213) 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 7 ways as a sum of consecutive naturals, for example, 17922 + ... + 19975.
It is an arithmetic number, because the mean of its divisors is an integer number (5305720).
Almost surely, 238920219 is an apocalyptic number.
38920219 is a deficient number, since it is larger than the sum of its proper divisors (3525541).
38920219 is a wasteful number, since it uses less digits than its factorization.
38920219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37989.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 38920219 is about 6238.6071362124. The cubic root of 38920219 is about 338.8897434997.
The spelling of 38920219 in words is "thirty-eight million, nine hundred twenty thousand, two hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •