Base | Representation |
---|---|
bin | 10111000000001… |
… | …011100101110011 |
3 | 222220011221102212 |
4 | 113000023211303 |
5 | 1242244022233 |
6 | 102143402335 |
7 | 12364203143 |
oct | 2700134563 |
9 | 886157385 |
10 | 385923443 |
11 | 188930aa4 |
12 | a92b33ab |
13 | 61c53389 |
14 | 3937c923 |
15 | 23d32a48 |
hex | 1700b973 |
385923443 has 4 divisors (see below), whose sum is σ = 408624840. Its totient is φ = 363222048.
The previous prime is 385923413. The next prime is 385923451. The reversal of 385923443 is 344329583.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 385923443 - 210 = 385922419 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 385923443.
It is not an unprimeable number, because it can be changed into a prime (385923403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11350673 + ... + 11350706.
It is an arithmetic number, because the mean of its divisors is an integer number (102156210).
Almost surely, 2385923443 is an apocalyptic number.
385923443 is a deficient number, since it is larger than the sum of its proper divisors (22701397).
385923443 is a wasteful number, since it uses less digits than its factorization.
385923443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22701396.
The product of its digits is 311040, while the sum is 41.
The square root of 385923443 is about 19644.9342834228. The cubic root of 385923443 is about 728.0598025532.
The spelling of 385923443 in words is "three hundred eighty-five million, nine hundred twenty-three thousand, four hundred forty-three".
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