Base | Representation |
---|---|
bin | 1011110000000010011 |
3 | 201120011212 |
4 | 1132000103 |
5 | 44310133 |
6 | 12130335 |
7 | 3162401 |
oct | 1360023 |
9 | 646155 |
10 | 385043 |
11 | 24331a |
12 | 1669ab |
13 | 106349 |
14 | a0471 |
15 | 79148 |
hex | 5e013 |
385043 has 4 divisors (see below), whose sum is σ = 401808. Its totient is φ = 368280.
The previous prime is 385039. The next prime is 385057. The reversal of 385043 is 340583.
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 385043 - 22 = 385039 is a prime.
It is a super-2 number, since 2×3850432 = 296516223698, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 16741 = 385043 / (3 + 8 + 5 + 0 + 4 + 3).
It is a Duffinian number.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (385013) 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, 8348 + ... + 8393.
It is an arithmetic number, because the mean of its divisors is an integer number (100452).
2385043 is an apocalyptic number.
385043 is a deficient number, since it is larger than the sum of its proper divisors (16765).
385043 is a wasteful number, since it uses less digits than its factorization.
385043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16764.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 385043 is about 620.5183317195. The cubic root of 385043 is about 72.7505717491.
The spelling of 385043 in words is "three hundred eighty-five thousand, forty-three".
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