Base | Representation |
---|---|
bin | 1111011100000100… |
… | …0010100111111000 |
3 | 101200211010110201110 |
4 | 3313001002213320 |
5 | 31441411321430 |
6 | 1523121320320 |
7 | 204461334432 |
oct | 36701024770 |
9 | 11624113643 |
10 | 4144245240 |
11 | 1837355873 |
12 | 977a960a0 |
13 | 510787125 |
14 | 2b4581652 |
15 | 193c697b0 |
hex | f70429f8 |
4144245240 has 64 divisors (see below), whose sum is σ = 12442636800. Its totient is φ = 1104252032.
The previous prime is 4144245223. The next prime is 4144245253. The reversal of 4144245240 is 425424414.
4144245240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 4144245198 and 4144245207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145189 + ... + 171371.
It is an arithmetic number, because the mean of its divisors is an integer number (194416200).
Almost surely, 24144245240 is an apocalyptic number.
4144245240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4144245240 is an abundant number, since it is smaller than the sum of its proper divisors (8298391560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4144245240 is a wasteful number, since it uses less digits than its factorization.
4144245240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27516 (or 27512 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 30.
The square root of 4144245240 is about 64375.8125385614. The cubic root of 4144245240 is about 1606.2574282588.
Adding to 4144245240 its reverse (425424414), we get a palindrome (4569669654).
The spelling of 4144245240 in words is "four billion, one hundred forty-four million, two hundred forty-five thousand, two hundred forty".
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