Base | Representation |
---|---|
bin | 1001000011110… |
… | …1010110101101 |
3 | 2122111121021002 |
4 | 2100331112231 |
5 | 34212000140 |
6 | 3434250045 |
7 | 640665206 |
oct | 220752655 |
9 | 78447232 |
10 | 38000045 |
11 | 1a4a4aa6 |
12 | 10886925 |
13 | 7b46445 |
14 | 50925ad |
15 | 3509415 |
hex | 243d5ad |
38000045 has 16 divisors (see below), whose sum is σ = 46300800. Its totient is φ = 29937600.
The previous prime is 38000009. The next prime is 38000047. The reversal of 38000045 is 54000083.
It is not a de Polignac number, because 38000045 - 210 = 37999021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 37999990 and 38000026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38000047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179990 + ... + 180200.
It is an arithmetic number, because the mean of its divisors is an integer number (2893800).
Almost surely, 238000045 is an apocalyptic number.
It is an amenable number.
38000045 is a deficient number, since it is larger than the sum of its proper divisors (8300755).
38000045 is a wasteful number, since it uses less digits than its factorization.
38000045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 38000045 is about 6164.4176529499. The cubic root of 38000045 is about 336.1976733894.
The spelling of 38000045 in words is "thirty-eight million, forty-five", and thus it is an aban number and an uban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •