Base | Representation |
---|---|
bin | 10110111111011… |
… | …001100011011101 |
3 | 222212210112022010 |
4 | 112333121203131 |
5 | 1242220442433 |
6 | 102135141433 |
7 | 12362360466 |
oct | 2677314335 |
9 | 885715263 |
10 | 385718493 |
11 | 188801016 |
12 | a9214879 |
13 | 61bb0cc4 |
14 | 39327d6d |
15 | 23ce1e63 |
hex | 16fd98dd |
385718493 has 8 divisors (see below), whose sum is σ = 515550400. Its totient is φ = 256516128.
The previous prime is 385718483. The next prime is 385718521. The reversal of 385718493 is 394817583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385718493 - 26 = 385718429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385718453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155953 + ... + 158406.
It is an arithmetic number, because the mean of its divisors is an integer number (64443800).
Almost surely, 2385718493 is an apocalyptic number.
It is an amenable number.
385718493 is a deficient number, since it is larger than the sum of its proper divisors (129831907).
385718493 is a wasteful number, since it uses less digits than its factorization.
385718493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314771.
The product of its digits is 725760, while the sum is 48.
The square root of 385718493 is about 19639.7172331986. The cubic root of 385718493 is about 727.9308976444.
The spelling of 385718493 in words is "three hundred eighty-five million, seven hundred eighteen thousand, four hundred ninety-three".
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