Base | Representation |
---|---|
bin | 1001001110110… |
… | …0101000110000 |
3 | 2200212002010000 |
4 | 2103230220300 |
5 | 34402434000 |
6 | 3501510000 |
7 | 650045316 |
oct | 223545060 |
9 | 80762100 |
10 | 38718000 |
11 | 1a945452 |
12 | 10b72300 |
13 | 8038179 |
14 | 51dc0b6 |
15 | 35ec000 |
hex | 24eca30 |
38718000 has 200 divisors, whose sum is σ = 140437440. Its totient is φ = 10281600.
The previous prime is 38717971. The next prime is 38718013. The reversal of 38718000 is 81783.
It is a tau number, because it is divible by the number of its divisors (200).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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 39 ways as a sum of consecutive naturals, for example, 161881 + ... + 162119.
Almost surely, 238718000 is an apocalyptic number.
38718000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38718000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70218720).
38718000 is an abundant number, since it is smaller than the sum of its proper divisors (101719440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38718000 is a wasteful number, since it uses less digits than its factorization.
38718000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274 (or 249 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 38718000 is about 6222.3789662797. The cubic root of 38718000 is about 338.3017973685.
Adding to 38718000 its reverse (81783), we get a palindrome (38799783).
The spelling of 38718000 in words is "thirty-eight million, seven hundred eighteen thousand".
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