Base | Representation |
---|---|
bin | 10110111100111… |
… | …010010111000110 |
3 | 222211120101211221 |
4 | 112330322113012 |
5 | 1242034111223 |
6 | 102113150554 |
7 | 12354003451 |
oct | 2674722706 |
9 | 884511757 |
10 | 385066438 |
11 | 1883a6129 |
12 | a8b5b45a |
13 | 61a13283 |
14 | 391d8498 |
15 | 23c13b5d |
hex | 16f3a5c6 |
385066438 has 8 divisors (see below), whose sum is σ = 596232000. Its totient is φ = 186322440.
The previous prime is 385066433. The next prime is 385066463. The reversal of 385066438 is 834660583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 385066394 and 385066403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385066433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105313 + ... + 3105436.
It is an arithmetic number, because the mean of its divisors is an integer number (74529000).
Almost surely, 2385066438 is an apocalyptic number.
385066438 is a deficient number, since it is larger than the sum of its proper divisors (211165562).
385066438 is a wasteful number, since it uses less digits than its factorization.
385066438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6210782.
The product of its (nonzero) digits is 414720, while the sum is 43.
The square root of 385066438 is about 19623.1097943216. The cubic root of 385066438 is about 727.5204785550.
It can be divided in two parts, 38506 and 6438, that added together give a palindrome (44944).
The spelling of 385066438 in words is "three hundred eighty-five million, sixty-six thousand, four hundred thirty-eight".
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