Base | Representation |
---|---|
bin | 1001001011111… |
… | …0111011110110 |
3 | 2200111120022220 |
4 | 2102332323312 |
5 | 34330441211 |
6 | 3453503210 |
7 | 645335466 |
oct | 222767366 |
9 | 80446286 |
10 | 38530806 |
11 | 1a827846 |
12 | 10aa1b06 |
13 | 7ca0bc2 |
14 | 518dba6 |
15 | 35b1806 |
hex | 24beef6 |
38530806 has 32 divisors (see below), whose sum is σ = 81865728. Its totient is φ = 12048000.
The previous prime is 38530781. The next prime is 38530813. The reversal of 38530806 is 60803583.
It is a super-2 number, since 2×385308062 = 2969246022019272, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50931 + ... + 51681.
It is an arithmetic number, because the mean of its divisors is an integer number (2558304).
Almost surely, 238530806 is an apocalyptic number.
38530806 is an abundant number, since it is smaller than the sum of its proper divisors (43334922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38530806 is a wasteful number, since it uses less digits than its factorization.
38530806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1276.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 38530806 is about 6207.3187448366. The cubic root of 38530806 is about 337.7557085442.
The spelling of 38530806 in words is "thirty-eight million, five hundred thirty thousand, eight hundred six".
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