Base | Representation |
---|---|
bin | 10111000100000… |
… | …100001110110000 |
3 | 222222002200110110 |
4 | 113010010032300 |
5 | 1243024114442 |
6 | 102221301320 |
7 | 12405644262 |
oct | 2704041660 |
9 | 888080413 |
10 | 386941872 |
11 | 189467179 |
12 | a9704840 |
13 | 6221bab5 |
14 | 39565b32 |
15 | 23e8469c |
hex | 171043b0 |
386941872 has 20 divisors (see below), whose sum is σ = 999599960. Its totient is φ = 128980608.
The previous prime is 386941861. The next prime is 386941909. The reversal of 386941872 is 278149683.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8061289 = 386941872 / (3 + 8 + 6 + 9 + 4 + 1 + 8 + 7 + 2).
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 3 ways as a sum of consecutive naturals, for example, 4030597 + ... + 4030692.
It is an arithmetic number, because the mean of its divisors is an integer number (49979998).
Almost surely, 2386941872 is an apocalyptic number.
It is an amenable number.
386941872 is an abundant number, since it is smaller than the sum of its proper divisors (612658088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386941872 is a wasteful number, since it uses less digits than its factorization.
386941872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8061300 (or 8061294 counting only the distinct ones).
The product of its digits is 580608, while the sum is 48.
The square root of 386941872 is about 19670.8381112753. The cubic root of 386941872 is about 728.6996755181.
The spelling of 386941872 in words is "three hundred eighty-six million, nine hundred forty-one thousand, eight hundred seventy-two".
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