Base | Representation |
---|---|
bin | 1001000011111… |
… | …1010001011100 |
3 | 2122112000001000 |
4 | 2100333101130 |
5 | 34212223100 |
6 | 3434350300 |
7 | 641030130 |
oct | 220772134 |
9 | 78460030 |
10 | 38007900 |
11 | 1a4aa997 |
12 | 1088b390 |
13 | 7b49ba8 |
14 | 50953c0 |
15 | 350b900 |
hex | 243f45c |
38007900 has 144 divisors (see below), whose sum is σ = 139713280. Its totient is φ = 8683200.
The previous prime is 38007899. The next prime is 38007901. The reversal of 38007900 is 970083.
It is a happy number.
38007900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (38007899) and next prime (38007901).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38007901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17895 + ... + 19905.
Almost surely, 238007900 is an apocalyptic number.
38007900 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 38007900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69856640).
38007900 is an abundant number, since it is smaller than the sum of its proper divisors (101705380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38007900 is a wasteful number, since it uses less digits than its factorization.
38007900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2041 (or 2028 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 38007900 is about 6165.0547442825. The cubic root of 38007900 is about 336.2208369653.
Adding to 38007900 its reverse (970083), we get a palindrome (38977983).
The spelling of 38007900 in words is "thirty-eight million, seven thousand, nine hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •