Base | Representation |
---|---|
bin | 10111001100000… |
… | …011100001101101 |
3 | 1000010001002020222 |
4 | 113030003201231 |
5 | 1244043124031 |
6 | 102334221125 |
7 | 12432516104 |
oct | 2714034155 |
9 | 1003032228 |
10 | 389036141 |
11 | 18a66767a |
12 | aa3547a5 |
13 | 627a3100 |
14 | 3994d03b |
15 | 24249e7b |
hex | 1730386d |
389036141 has 6 divisors (see below), whose sum is σ = 421264170. Its totient is φ = 359110128.
The previous prime is 389036129. The next prime is 389036149. The reversal of 389036141 is 141630983.
It can be written as a sum of positive squares in 3 ways, for example, as 30085225 + 358950916 = 5485^2 + 18946^2 .
It is not a de Polignac number, because 389036141 - 218 = 388773997 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389036149) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1150826 + ... + 1151163.
It is an arithmetic number, because the mean of its divisors is an integer number (70210695).
Almost surely, 2389036141 is an apocalyptic number.
It is an amenable number.
389036141 is a deficient number, since it is larger than the sum of its proper divisors (32228029).
389036141 is a wasteful number, since it uses less digits than its factorization.
389036141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2302015 (or 2302002 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 389036141 is about 19723.9991127560. Note that the first 3 decimals coincide. The cubic root of 389036141 is about 730.0119726566.
Adding to 389036141 its sum of digits (35), we get a square (389036176 = 197242).
The spelling of 389036141 in words is "three hundred eighty-nine million, thirty-six thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.102 sec. • engine limits •