Base | Representation |
---|---|
bin | 10111000010000… |
… | …111010001011100 |
3 | 222221010200100212 |
4 | 113002013101130 |
5 | 1242411230134 |
6 | 102202311552 |
7 | 12401413130 |
oct | 2702072134 |
9 | 887120325 |
10 | 386430044 |
11 | 189147680 |
12 | a94b85b8 |
13 | 6209cb40 |
14 | 394713c0 |
15 | 23dd2bce |
hex | 1708745c |
386430044 has 96 divisors (see below), whose sum is σ = 917769216. Its totient is φ = 137479680.
The previous prime is 386430041. The next prime is 386430047. The reversal of 386430044 is 440034683.
It is an interprime number because it is at equal distance from previous prime (386430041) and next prime (386430047).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386430041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411944 + ... + 412880.
It is an arithmetic number, because the mean of its divisors is an integer number (9560096).
Almost surely, 2386430044 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 386430044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458884608).
386430044 is an abundant number, since it is smaller than the sum of its proper divisors (531339172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386430044 is a wasteful number, since it uses less digits than its factorization.
386430044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1075 (or 1073 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
The square root of 386430044 is about 19657.8239894450. The cubic root of 386430044 is about 728.3782375159.
The spelling of 386430044 in words is "three hundred eighty-six million, four hundred thirty thousand, forty-four".
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