Base | Representation |
---|---|
bin | 1001001000011… |
… | …0100101100000 |
3 | 2200001211201112 |
4 | 2102012211200 |
5 | 34301100000 |
6 | 3444522452 |
7 | 643354544 |
oct | 222064540 |
9 | 80054645 |
10 | 38300000 |
11 | 1a68a3a2 |
12 | 109b0428 |
13 | 7c1cb2b |
14 | 512da24 |
15 | 3568235 |
hex | 2486960 |
38300000 has 72 divisors (see below), whose sum is σ = 94493952. Its totient is φ = 15280000.
The previous prime is 38299999. The next prime is 38300011. The reversal of 38300000 is 383.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99809 + ... + 100191.
It is an arithmetic number, because the mean of its divisors is an integer number (1312416).
Almost surely, 238300000 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 38300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47246976).
38300000 is an abundant number, since it is smaller than the sum of its proper divisors (56193952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38300000 is an frugal number, since it uses more digits than its factorization.
38300000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418 (or 390 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 38300000 is about 6188.6993787063. The cubic root of 38300000 is about 337.0799529704.
Adding to 38300000 its reverse (383), we get a palindrome (38300383).
38300000 divided by its reverse (383) gives a 5-th power (100000 = 105).
The spelling of 38300000 in words is "thirty-eight million, three hundred thousand".
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