Base | Representation |
---|---|
bin | 10011100010011… |
… | …00001010111100 |
3 | 102102101110121112 |
4 | 21301030022330 |
5 | 313423433402 |
6 | 24132421152 |
7 | 4030016660 |
oct | 1161141274 |
9 | 372343545 |
10 | 163889852 |
11 | 84569965 |
12 | 46a777b8 |
13 | 27c53159 |
14 | 17aa28a0 |
15 | e5c4e52 |
hex | 9c4c2bc |
163889852 has 24 divisors (see below), whose sum is σ = 328161120. Its totient is φ = 70156800.
The previous prime is 163889849. The next prime is 163889857. The reversal of 163889852 is 258988361.
It is a self number, because there is not a number n which added to its sum of digits gives 163889852.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163889857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25352 + ... + 31152.
It is an arithmetic number, because the mean of its divisors is an integer number (13673380).
Almost surely, 2163889852 is an apocalyptic number.
It is an amenable number.
163889852 is an abundant number, since it is smaller than the sum of its proper divisors (164271268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163889852 is a wasteful number, since it uses less digits than its factorization.
163889852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6821 (or 6819 counting only the distinct ones).
The product of its digits is 829440, while the sum is 50.
The square root of 163889852 is about 12801.9471956418. The cubic root of 163889852 is about 547.2477958248.
The spelling of 163889852 in words is "one hundred sixty-three million, eight hundred eighty-nine thousand, eight hundred fifty-two".
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