Base | Representation |
---|---|
bin | 11101001001101… |
… | …00110010010100 |
3 | 122001010122011101 |
4 | 32210310302110 |
5 | 1000100100140 |
6 | 40133115444 |
7 | 6026336224 |
oct | 1644646224 |
9 | 561118141 |
10 | 244534420 |
11 | 116040369 |
12 | 69a88b84 |
13 | 3b87aa30 |
14 | 24696084 |
15 | 1670499a |
hex | e934c94 |
244534420 has 48 divisors (see below), whose sum is σ = 564818688. Its totient is φ = 88364160.
The previous prime is 244534399. The next prime is 244534429. The reversal of 244534420 is 24435442.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244534429) 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 15 ways as a sum of consecutive naturals, for example, 2215 + ... + 22225.
It is an arithmetic number, because the mean of its divisors is an integer number (11767056).
Almost surely, 2244534420 is an apocalyptic number.
244534420 is a gapful number since it is divisible by the number (20) 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 244534420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282409344).
244534420 is an abundant number, since it is smaller than the sum of its proper divisors (320284268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244534420 is a wasteful number, since it uses less digits than its factorization.
244534420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20080 (or 20078 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 28.
The square root of 244534420 is about 15637.5963626128. The cubic root of 244534420 is about 625.3358578868.
Adding to 244534420 its reverse (24435442), we get a palindrome (268969862).
The spelling of 244534420 in words is "two hundred forty-four million, five hundred thirty-four thousand, four hundred twenty".
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