Base | Representation |
---|---|
bin | 10111001100101… |
… | …011100101000001 |
3 | 1000010100102021222 |
4 | 113030223211001 |
5 | 1244113401233 |
6 | 102341524425 |
7 | 12434101304 |
oct | 2714534501 |
9 | 1003312258 |
10 | 389200193 |
11 | 18a769958 |
12 | aa413715 |
13 | 6282c995 |
14 | 39992b3b |
15 | 2427d898 |
hex | 1732b941 |
389200193 has 4 divisors (see below), whose sum is σ = 412094340. Its totient is φ = 366306048.
The previous prime is 389200183. The next prime is 389200241. The reversal of 389200193 is 391002983.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 201838849 + 187361344 = 14207^2 + 13688^2 .
It is a cyclic number.
It is not a de Polignac number, because 389200193 - 26 = 389200129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (389200183) 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, 11447048 + ... + 11447081.
It is an arithmetic number, because the mean of its divisors is an integer number (103023585).
Almost surely, 2389200193 is an apocalyptic number.
It is an amenable number.
389200193 is a deficient number, since it is larger than the sum of its proper divisors (22894147).
389200193 is a wasteful number, since it uses less digits than its factorization.
389200193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22894146.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 389200193 is about 19728.1573645386. The cubic root of 389200193 is about 730.1145707460.
The spelling of 389200193 in words is "three hundred eighty-nine million, two hundred thousand, one hundred ninety-three".
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