Base | Representation |
---|---|
bin | 1001000111101… |
… | …0010110100000 |
3 | 2122222021222112 |
4 | 2101322112200 |
5 | 34242444023 |
6 | 3443454452 |
7 | 643055465 |
oct | 221722640 |
9 | 78867875 |
10 | 38249888 |
11 | 1a655786 |
12 | 10987428 |
13 | 7c03091 |
14 | 511966c |
15 | 3558478 |
hex | 247a5a0 |
38249888 has 48 divisors (see below), whose sum is σ = 80831520. Its totient is φ = 17761536.
The previous prime is 38249857. The next prime is 38249899. The reversal of 38249888 is 88894283.
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 7 ways as a sum of consecutive naturals, for example, 31631 + ... + 32817.
It is an arithmetic number, because the mean of its divisors is an integer number (1683990).
Almost surely, 238249888 is an apocalyptic number.
38249888 is a gapful number since it is divisible by the number (38) 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 38249888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40415760).
38249888 is an abundant number, since it is smaller than the sum of its proper divisors (42581632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38249888 is a wasteful number, since it uses less digits than its factorization.
38249888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1269 (or 1261 counting only the distinct ones).
The product of its digits is 884736, while the sum is 50.
The square root of 38249888 is about 6184.6493837565. The cubic root of 38249888 is about 336.9328761814.
The spelling of 38249888 in words is "thirty-eight million, two hundred forty-nine thousand, eight hundred eighty-eight".
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