Base | Representation |
---|---|
bin | 10011100101011… |
… | …00110011011100 |
3 | 102110010120120002 |
4 | 21302230303130 |
5 | 314024120120 |
6 | 24145113432 |
7 | 4033255640 |
oct | 1162546334 |
9 | 373116502 |
10 | 164285660 |
11 | 8480a280 |
12 | 47028878 |
13 | 28061366 |
14 | 17b66c20 |
15 | e652375 |
hex | 9caccdc |
164285660 has 96 divisors (see below), whose sum is σ = 434585088. Its totient is φ = 50676480.
The previous prime is 164285657. The next prime is 164285669. The reversal of 164285660 is 66582461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164285669) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164282 + ... + 165278.
It is an arithmetic number, because the mean of its divisors is an integer number (4526928).
Almost surely, 2164285660 is an apocalyptic number.
164285660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 164285660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217292544).
164285660 is an abundant number, since it is smaller than the sum of its proper divisors (270299428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164285660 is a wasteful number, since it uses less digits than its factorization.
164285660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 164285660 is about 12817.3967715757. The cubic root of 164285660 is about 547.6879917110.
The spelling of 164285660 in words is "one hundred sixty-four million, two hundred eighty-five thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •