Base | Representation |
---|---|
bin | 10111001100011… |
… | …111110001100001 |
3 | 1000010020221222011 |
4 | 113030133301201 |
5 | 1244110324331 |
6 | 102340512521 |
7 | 12433510321 |
oct | 2714376141 |
9 | 1003227864 |
10 | 389151841 |
11 | 18a7365a1 |
12 | aa3ab741 |
13 | 62813980 |
14 | 3997d281 |
15 | 2426e3b1 |
hex | 1731fc61 |
389151841 has 8 divisors (see below), whose sum is σ = 433538280. Its totient is φ = 346829952.
The previous prime is 389151827. The next prime is 389151853. The reversal of 389151841 is 148151983.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 20511841 + 368640000 = 4529^2 + 19200^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 389151841 - 217 = 389020769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 389151794 and 389151803.
It is not an unprimeable number, because it can be changed into a prime (389151821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515740 + ... + 516493.
It is an arithmetic number, because the mean of its divisors is an integer number (54192285).
Almost surely, 2389151841 is an apocalyptic number.
It is an amenable number.
389151841 is a deficient number, since it is larger than the sum of its proper divisors (44386439).
389151841 is a wasteful number, since it uses less digits than its factorization.
389151841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1032275.
The product of its digits is 34560, while the sum is 40.
The square root of 389151841 is about 19726.9318699082. The cubic root of 389151841 is about 730.0843344114.
The spelling of 389151841 in words is "three hundred eighty-nine million, one hundred fifty-one thousand, eight hundred forty-one".
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