Base | Representation |
---|---|
bin | 10110111110010… |
… | …110110011011101 |
3 | 222212021122020220 |
4 | 112332112303131 |
5 | 1242133220320 |
6 | 102125231553 |
7 | 12360141414 |
oct | 2676266335 |
9 | 885248226 |
10 | 385445085 |
11 | 188634663 |
12 | a91025b9 |
13 | 61b1671c |
14 | 3929647b |
15 | 23c8ae40 |
hex | 16f96cdd |
385445085 has 16 divisors (see below), whose sum is σ = 616963776. Its totient is φ = 205486848.
The previous prime is 385445083. The next prime is 385445089. The reversal of 385445085 is 580544583.
It is not a de Polignac number, because 385445085 - 21 = 385445083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385445083) 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 15 ways as a sum of consecutive naturals, for example, 55317 + ... + 61893.
It is an arithmetic number, because the mean of its divisors is an integer number (38560236).
Almost surely, 2385445085 is an apocalyptic number.
It is an amenable number.
385445085 is a deficient number, since it is larger than the sum of its proper divisors (231518691).
385445085 is a wasteful number, since it uses less digits than its factorization.
385445085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10492.
The product of its (nonzero) digits is 384000, while the sum is 42.
The square root of 385445085 is about 19632.7554102831. The cubic root of 385445085 is about 727.7588644326.
The spelling of 385445085 in words is "three hundred eighty-five million, four hundred forty-five thousand, eighty-five".
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