Base | Representation |
---|---|
bin | 10110111111011… |
… | …111111011110110 |
3 | 222212211212011011 |
4 | 112333133323312 |
5 | 1242222312010 |
6 | 102135502434 |
7 | 12362526625 |
oct | 2677377366 |
9 | 885755134 |
10 | 385744630 |
11 | 188819717 |
12 | a9227a1a |
13 | 61bbcb7b |
14 | 393336bc |
15 | 23ce9a8a |
hex | 16fdfef6 |
385744630 has 16 divisors (see below), whose sum is σ = 700831440. Its totient is φ = 152855392.
The previous prime is 385744621. The next prime is 385744649. The reversal of 385744630 is 36447583.
385744630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179185 + ... + 181324.
It is an arithmetic number, because the mean of its divisors is an integer number (43801965).
Almost surely, 2385744630 is an apocalyptic number.
385744630 is a deficient number, since it is larger than the sum of its proper divisors (315086810).
385744630 is a wasteful number, since it uses less digits than its factorization.
385744630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360623.
The product of its (nonzero) digits is 241920, while the sum is 40.
The square root of 385744630 is about 19640.3826337472. The cubic root of 385744630 is about 727.9473392553.
The spelling of 385744630 in words is "three hundred eighty-five million, seven hundred forty-four thousand, six hundred thirty".
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