Base | Representation |
---|---|
bin | 1001000111000… |
… | …0010111101000 |
3 | 2122220012220011 |
4 | 2101300113220 |
5 | 34240142000 |
6 | 3442541304 |
7 | 642525334 |
oct | 221602750 |
9 | 78805804 |
10 | 38209000 |
11 | 1a627a95 |
12 | 10967834 |
13 | 7bba59b |
14 | 51087c4 |
15 | 354b2ba |
hex | 24705e8 |
38209000 has 64 divisors (see below), whose sum is σ = 94161600. Its totient is φ = 14472000.
The previous prime is 38208991. The next prime is 38209021. The reversal of 38209000 is 90283.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 17995 + ... + 20005.
It is an arithmetic number, because the mean of its divisors is an integer number (1471275).
Almost surely, 238209000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38209000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47080800).
38209000 is an abundant number, since it is smaller than the sum of its proper divisors (55952600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38209000 is a wasteful number, since it uses less digits than its factorization.
38209000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2051 (or 2037 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 38209000 is about 6181.3428961675. The cubic root of 38209000 is about 336.8127762807.
Adding to 38209000 its reverse (90283), we get a palindrome (38299283).
The spelling of 38209000 in words is "thirty-eight million, two hundred nine thousand".
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