Base | Representation |
---|---|
bin | 1001001011100… |
… | …1100011110010 |
3 | 2200110110010100 |
4 | 2102321203302 |
5 | 34324240121 |
6 | 3453213230 |
7 | 645214341 |
oct | 222714362 |
9 | 80413110 |
10 | 38508786 |
11 | 1a812248 |
12 | 10a91216 |
13 | 7c93b84 |
14 | 5185b58 |
15 | 35aa026 |
hex | 24b98f2 |
38508786 has 48 divisors (see below), whose sum is σ = 87070464. Its totient is φ = 12288672.
The previous prime is 38508773. The next prime is 38508797. The reversal of 38508786 is 68780583.
38508786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 44191 + ... + 45053.
It is an arithmetic number, because the mean of its divisors is an integer number (1813968).
Almost surely, 238508786 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38508786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43535232).
38508786 is an abundant number, since it is smaller than the sum of its proper divisors (48561678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38508786 is a wasteful number, since it uses less digits than its factorization.
38508786 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 975 (or 972 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 38508786 is about 6205.5447786637. The cubic root of 38508786 is about 337.6913548601.
The spelling of 38508786 in words is "thirty-eight million, five hundred eight thousand, seven hundred eighty-six".
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