Base | Representation |
---|---|
bin | 10111000000111… |
… | …001101010111100 |
3 | 222220112112100102 |
4 | 113000321222330 |
5 | 1242321042223 |
6 | 102151420232 |
7 | 12365620340 |
oct | 2700715274 |
9 | 886475312 |
10 | 386112188 |
11 | 188a4a890 |
12 | a9384678 |
13 | 61cbb267 |
14 | 393cb620 |
15 | 23d6d928 |
hex | 17039abc |
386112188 has 48 divisors (see below), whose sum is σ = 856278528. Its totient is φ = 147960000.
The previous prime is 386112173. The next prime is 386112203. The reversal of 386112188 is 881211683.
It is an interprime number because it is at equal distance from previous prime (386112173) and next prime (386112203).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8513 + ... + 29063.
It is an arithmetic number, because the mean of its divisors is an integer number (17839136).
Almost surely, 2386112188 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 386112188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428139264).
386112188 is an abundant number, since it is smaller than the sum of its proper divisors (470166340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386112188 is a wasteful number, since it uses less digits than its factorization.
386112188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20634 (or 20632 counting only the distinct ones).
The product of its digits is 18432, while the sum is 38.
The square root of 386112188 is about 19649.7376063906. The cubic root of 386112188 is about 728.1784748387.
The spelling of 386112188 in words is "three hundred eighty-six million, one hundred twelve thousand, one hundred eighty-eight".
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