Base | Representation |
---|---|
bin | 100101000100111… |
… | …0110010000101010 |
3 | 10012200222121020020 |
4 | 1022021312100222 |
5 | 10021442024110 |
6 | 323241141310 |
7 | 42554431446 |
oct | 11211662052 |
9 | 3180877206 |
10 | 1244095530 |
11 | 589294427 |
12 | 2a878a836 |
13 | 16a993202 |
14 | bb32b826 |
15 | 7434ad70 |
hex | 4a27642a |
1244095530 has 128 divisors (see below), whose sum is σ = 3350274048. Its totient is φ = 294024192.
The previous prime is 1244095529. The next prime is 1244095637. The reversal of 1244095530 is 355904421.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1244095491 and 1244095500.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 785119 + ... + 786701.
It is an arithmetic number, because the mean of its divisors is an integer number (26174016).
Almost surely, 21244095530 is an apocalyptic number.
1244095530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1244095530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675137024).
1244095530 is an abundant number, since it is smaller than the sum of its proper divisors (2106178518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1244095530 is a wasteful number, since it uses less digits than its factorization.
1244095530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1700.
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 1244095530 is about 35271.7384034300. The cubic root of 1244095530 is about 1075.5185614246.
Adding to 1244095530 its reverse (355904421), we get a palindrome (1599999951).
The spelling of 1244095530 in words is "one billion, two hundred forty-four million, ninety-five thousand, five hundred thirty".
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