Base | Representation |
---|---|
bin | 11101001000001… |
… | …10101001001100 |
3 | 122000210000220101 |
4 | 32210012221030 |
5 | 1000023023140 |
6 | 40125100444 |
7 | 6024621214 |
oct | 1644065114 |
9 | 560700811 |
10 | 244345420 |
11 | 115a21370 |
12 | 699b7724 |
13 | 3b8129b7 |
14 | 24647244 |
15 | 166b899a |
hex | e906a4c |
244345420 has 96 divisors (see below), whose sum is σ = 600929280. Its totient is φ = 82467840.
The previous prime is 244345397. The next prime is 244345421. The reversal of 244345420 is 24543442.
It is not an unprimeable number, because it can be changed into a prime (244345421) 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, 295047 + ... + 295873.
It is an arithmetic number, because the mean of its divisors is an integer number (6259680).
Almost surely, 2244345420 is an apocalyptic number.
244345420 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 244345420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300464640).
244345420 is an abundant number, since it is smaller than the sum of its proper divisors (356583860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244345420 is a wasteful number, since it uses less digits than its factorization.
244345420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943 (or 941 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 28.
The square root of 244345420 is about 15631.5520662537. The cubic root of 244345420 is about 625.1747095580.
Adding to 244345420 its reverse (24543442), we get a palindrome (268888862).
The spelling of 244345420 in words is "two hundred forty-four million, three hundred forty-five thousand, four hundred twenty".
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