Base | Representation |
---|---|
bin | 11101010000100… |
… | …10100111100100 |
3 | 122002211210120010 |
4 | 32220102213210 |
5 | 1000313134134 |
6 | 40204410220 |
7 | 6040142250 |
oct | 1650224744 |
9 | 562753503 |
10 | 245443044 |
11 | 116600aa0 |
12 | 6a246970 |
13 | 3bb08492 |
14 | 24851260 |
15 | 16833ce9 |
hex | ea129e4 |
245443044 has 96 divisors (see below), whose sum is σ = 716792832. Its totient is φ = 63504000.
The previous prime is 245443031. The next prime is 245443049. The reversal of 245443044 is 440344542.
245443044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (245443049) 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 31 ways as a sum of consecutive naturals, for example, 453414 + ... + 453954.
It is an arithmetic number, because the mean of its divisors is an integer number (7466592).
Almost surely, 2245443044 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245443044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358396416).
245443044 is an abundant number, since it is smaller than the sum of its proper divisors (471349788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245443044 is a wasteful number, since it uses less digits than its factorization.
245443044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1057 (or 1055 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 30.
The square root of 245443044 is about 15666.6219715675. The cubic root of 245443044 is about 626.1094270560.
Adding to 245443044 its reverse (440344542), we get a palindrome (685787586).
The spelling of 245443044 in words is "two hundred forty-five million, four hundred forty-three thousand, forty-four".
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