Base | Representation |
---|---|
bin | 10111000011111… |
… | …110001001011100 |
3 | 222222001102021122 |
4 | 113003332021130 |
5 | 1243022320311 |
6 | 102220550112 |
7 | 12405511526 |
oct | 2703761134 |
9 | 888042248 |
10 | 386916956 |
11 | 18944a488 |
12 | a96b2338 |
13 | 6221065a |
14 | 3955aa16 |
15 | 23e7c0db |
hex | 170fe25c |
386916956 has 24 divisors (see below), whose sum is σ = 704682720. Its totient is φ = 185659712.
The previous prime is 386916949. The next prime is 386916977. The reversal of 386916956 is 659619683.
It is a junction number, because it is equal to n+sod(n) for n = 386916898 and 386916907.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9386 + ... + 29358.
It is an arithmetic number, because the mean of its divisors is an integer number (29361780).
Almost surely, 2386916956 is an apocalyptic number.
It is an amenable number.
386916956 is a deficient number, since it is larger than the sum of its proper divisors (317765764).
386916956 is a wasteful number, since it uses less digits than its factorization.
386916956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20173 (or 20171 counting only the distinct ones).
The product of its digits is 2099520, while the sum is 53.
The square root of 386916956 is about 19670.2047777851. The cubic root of 386916956 is about 728.6840343481.
The spelling of 386916956 in words is "three hundred eighty-six million, nine hundred sixteen thousand, nine hundred fifty-six".
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