Base | Representation |
---|---|
bin | 10111000011001… |
… | …100100001010000 |
3 | 222221200002102220 |
4 | 113003030201100 |
5 | 1242444314210 |
6 | 102212341040 |
7 | 12404004063 |
oct | 2703144120 |
9 | 887602386 |
10 | 386713680 |
11 | 189320791 |
12 | a9614780 |
13 | 6216bc82 |
14 | 395068da |
15 | 23e3bc70 |
hex | 170cc850 |
386713680 has 40 divisors (see below), whose sum is σ = 1198813152. Its totient is φ = 103123584.
The previous prime is 386713673. The next prime is 386713687. The reversal of 386713680 is 86317683.
It is an interprime number because it is at equal distance from previous prime (386713673) and next prime (386713687).
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386713687) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 805414 + ... + 805893.
Almost surely, 2386713680 is an apocalyptic number.
386713680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
386713680 is an abundant number, since it is smaller than the sum of its proper divisors (812099472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386713680 is a wasteful number, since it uses less digits than its factorization.
386713680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1611323 (or 1611317 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 386713680 is about 19665.0369946258. The cubic root of 386713680 is about 728.5564015135.
The spelling of 386713680 in words is "three hundred eighty-six million, seven hundred thirteen thousand, six hundred eighty".
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