Base | Representation |
---|---|
bin | 11101000111000… |
… | …11001001010100 |
3 | 122000111122110012 |
4 | 32203203021110 |
5 | 1000003400040 |
6 | 40122015352 |
7 | 6023444261 |
oct | 1643431124 |
9 | 560448405 |
10 | 244200020 |
11 | 1159320a9 |
12 | 69947558 |
13 | 3b79176c |
14 | 2460a268 |
15 | 1668a865 |
hex | e8e3254 |
244200020 has 24 divisors (see below), whose sum is σ = 529363968. Its totient is φ = 94528800.
The previous prime is 244200007. The next prime is 244200023. The reversal of 244200020 is 20002442.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 244199968 and 244200004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244200023) 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, 196316 + ... + 197555.
It is an arithmetic number, because the mean of its divisors is an integer number (22056832).
Almost surely, 2244200020 is an apocalyptic number.
244200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
244200020 is an abundant number, since it is smaller than the sum of its proper divisors (285163948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244200020 is a wasteful number, since it uses less digits than its factorization.
244200020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393911 (or 393909 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 14.
The square root of 244200020 is about 15626.9005244162. The cubic root of 244200020 is about 625.0506796237.
Adding to 244200020 its reverse (20002442), we get a palindrome (264202462).
The spelling of 244200020 in words is "two hundred forty-four million, two hundred thousand, twenty".
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