Base | Representation |
---|---|
bin | 10111000011011… |
… | …100000101001100 |
3 | 222221210022212122 |
4 | 113003130011030 |
5 | 1243003334140 |
6 | 102213552112 |
7 | 12404360651 |
oct | 2703340514 |
9 | 887708778 |
10 | 386777420 |
11 | 189364667 |
12 | a9645638 |
13 | 62191ca3 |
14 | 39521c28 |
15 | 23e50ab5 |
hex | 170dc14c |
386777420 has 24 divisors (see below), whose sum is σ = 812706048. Its totient is φ = 154620800.
The previous prime is 386777401. The next prime is 386777423. The reversal of 386777420 is 24777683.
It is not an unprimeable number, because it can be changed into a prime (386777423) 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 7 ways as a sum of consecutive naturals, for example, 37640 + ... + 46800.
It is an arithmetic number, because the mean of its divisors is an integer number (33862752).
Almost surely, 2386777420 is an apocalyptic number.
It is an amenable number.
386777420 is an abundant number, since it is smaller than the sum of its proper divisors (425928628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386777420 is a wasteful number, since it uses less digits than its factorization.
386777420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11281 (or 11279 counting only the distinct ones).
The product of its (nonzero) digits is 395136, while the sum is 44.
The square root of 386777420 is about 19666.6575706194. The cubic root of 386777420 is about 728.5964273658.
The spelling of 386777420 in words is "three hundred eighty-six million, seven hundred seventy-seven thousand, four hundred twenty".
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