Base | Representation |
---|---|
bin | 10110101001111… |
… | …111001011100011 |
3 | 222111020100122101 |
4 | 112221333023203 |
5 | 1234301333233 |
6 | 101414551231 |
7 | 12263562064 |
oct | 2651771343 |
9 | 874210571 |
10 | 380105443 |
11 | 185617933 |
12 | a7368517 |
13 | 60997183 |
14 | 386a656b |
15 | 23583c7d |
hex | 16a7f2e3 |
380105443 has 4 divisors (see below), whose sum is σ = 380145640. Its totient is φ = 380065248.
The previous prime is 380105437. The next prime is 380105483. The reversal of 380105443 is 344501083.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 380105443 - 29 = 380104931 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380105483) 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, 2728 + ... + 27706.
It is an arithmetic number, because the mean of its divisors is an integer number (95036410).
Almost surely, 2380105443 is an apocalyptic number.
380105443 is a deficient number, since it is larger than the sum of its proper divisors (40197).
380105443 is a wasteful number, since it uses less digits than its factorization.
380105443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40196.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 380105443 is about 19496.2930579123. The cubic root of 380105443 is about 724.3826328981.
The spelling of 380105443 in words is "three hundred eighty million, one hundred five thousand, four hundred forty-three".
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