Base | Representation |
---|---|
bin | 1001010010110… |
… | …1101011000001 |
3 | 2201100121112010 |
4 | 2110231223001 |
5 | 34440000020 |
6 | 3511323133 |
7 | 652235046 |
oct | 224555301 |
9 | 81317463 |
10 | 38984385 |
11 | 20007600 |
12 | 110804a9 |
13 | 80cc4ab |
14 | 526b1cd |
15 | 3650de0 |
hex | 252dac1 |
38984385 has 48 divisors (see below), whose sum is σ = 70172928. Its totient is φ = 18458880.
The previous prime is 38984377. The next prime is 38984459. The reversal of 38984385 is 58348983.
It is not a de Polignac number, because 38984385 - 23 = 38984377 is a prime.
It is a super-3 number, since 3×389843853 (a number of 24 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85077 + ... + 85533.
It is an arithmetic number, because the mean of its divisors is an integer number (1461936).
Almost surely, 238984385 is an apocalyptic number.
It is an amenable number.
38984385 is a deficient number, since it is larger than the sum of its proper divisors (31188543).
38984385 is a wasteful number, since it uses less digits than its factorization.
38984385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534 (or 523 counting only the distinct ones).
The product of its digits is 829440, while the sum is 48.
The square root of 38984385 is about 6243.7476726722. The cubic root of 38984385 is about 339.0758786300.
The spelling of 38984385 in words is "thirty-eight million, nine hundred eighty-four thousand, three hundred eighty-five".
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