Base | Representation |
---|---|
bin | 11010011110001… |
… | …110011110101101 |
3 | 1010221201012112101 |
4 | 122132032132231 |
5 | 1402144144440 |
6 | 112023135101 |
7 | 14002024165 |
oct | 3236163655 |
9 | 1127635471 |
10 | 444131245 |
11 | 208778418 |
12 | 1048a4491 |
13 | 7102366c |
14 | 42db15a5 |
15 | 28ece69a |
hex | 1a78e7ad |
444131245 has 16 divisors (see below), whose sum is σ = 539038512. Its totient is φ = 351267840.
The previous prime is 444131231. The next prime is 444131249. The reversal of 444131245 is 542131444.
It can be written as a sum of positive squares in 8 ways, for example, as 8031556 + 436099689 = 2834^2 + 20883^2 .
It is not a de Polignac number, because 444131245 - 29 = 444130733 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (444131249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304939 + ... + 306391.
It is an arithmetic number, because the mean of its divisors is an integer number (33689907).
Almost surely, 2444131245 is an apocalyptic number.
It is an amenable number.
444131245 is a deficient number, since it is larger than the sum of its proper divisors (94907267).
444131245 is a wasteful number, since it uses less digits than its factorization.
444131245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2112.
The product of its digits is 7680, while the sum is 28.
The square root of 444131245 is about 21074.4215816235. The cubic root of 444131245 is about 762.9635243114.
Adding to 444131245 its reverse (542131444), we get a palindrome (986262689).
The spelling of 444131245 in words is "four hundred forty-four million, one hundred thirty-one thousand, two hundred forty-five".
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