Base | Representation |
---|---|
bin | 10011011111010… |
… | …11010010010000 |
3 | 102101122022020121 |
4 | 21233223102100 |
5 | 313323234013 |
6 | 24120120024 |
7 | 4023445000 |
oct | 1157532220 |
9 | 371568217 |
10 | 163493008 |
11 | 84318798 |
12 | 46906014 |
13 | 27b44633 |
14 | 179dc000 |
15 | e54758d |
hex | 9beb490 |
163493008 has 80 divisors (see below), whose sum is σ = 381721600. Its totient is φ = 67808160.
The previous prime is 163493003. The next prime is 163493017. The reversal of 163493008 is 800394361.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
163493008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (163493003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5273953 + ... + 5273983.
It is an arithmetic number, because the mean of its divisors is an integer number (4771520).
Almost surely, 2163493008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 163493008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190860800).
163493008 is an abundant number, since it is smaller than the sum of its proper divisors (218228592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163493008 is an frugal number, since it uses more digits than its factorization.
163493008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122 (or 40 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 163493008 is about 12786.4384407856. The cubic root of 163493008 is about 546.8057356544.
The spelling of 163493008 in words is "one hundred sixty-three million, four hundred ninety-three thousand, eight".
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