Base | Representation |
---|---|
bin | 10011100010000… |
… | …01001011011110 |
3 | 102102022011212001 |
4 | 21301001023132 |
5 | 313421013310 |
6 | 24131432514 |
7 | 4026441502 |
oct | 1161011336 |
9 | 372264761 |
10 | 163844830 |
11 | 84539056 |
12 | 46a5573a |
13 | 27c38806 |
14 | 17a90302 |
15 | e5b693a |
hex | 9c412de |
163844830 has 8 divisors (see below), whose sum is σ = 294920712. Its totient is φ = 65537928.
The previous prime is 163844797. The next prime is 163844839. The reversal of 163844830 is 38448361.
163844830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 163844830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163844839) 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 3 ways as a sum of consecutive naturals, for example, 8192232 + ... + 8192251.
It is an arithmetic number, because the mean of its divisors is an integer number (36865089).
Almost surely, 2163844830 is an apocalyptic number.
163844830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
163844830 is a deficient number, since it is larger than the sum of its proper divisors (131075882).
163844830 is a wasteful number, since it uses less digits than its factorization.
163844830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16384490.
The product of its (nonzero) digits is 55296, while the sum is 37.
The square root of 163844830 is about 12800.1886704845. The cubic root of 163844830 is about 547.1976799565.
The spelling of 163844830 in words is "one hundred sixty-three million, eight hundred forty-four thousand, eight hundred thirty".
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