Base | Representation |
---|---|
bin | 1001001100101… |
… | …0100011001100 |
3 | 2200120222120220 |
4 | 2103022203030 |
5 | 34334002010 |
6 | 3454511340 |
7 | 645624261 |
oct | 223124314 |
9 | 80528526 |
10 | 38578380 |
11 | 1a85a565 |
12 | 10b05550 |
13 | 7cb9759 |
14 | 51a3268 |
15 | 35c0970 |
hex | 24ca8cc |
38578380 has 24 divisors (see below), whose sum is σ = 108019632. Its totient is φ = 10287552.
The previous prime is 38578373. The next prime is 38578427. The reversal of 38578380 is 8387583.
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, 321427 + ... + 321546.
It is an arithmetic number, because the mean of its divisors is an integer number (4500818).
Almost surely, 238578380 is an apocalyptic number.
38578380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38578380 is an abundant number, since it is smaller than the sum of its proper divisors (69441252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38578380 is a wasteful number, since it uses less digits than its factorization.
38578380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 642985 (or 642983 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 38578380 is about 6211.1496520371. The cubic root of 38578380 is about 337.8946604034.
The spelling of 38578380 in words is "thirty-eight million, five hundred seventy-eight thousand, three hundred eighty".
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