Base | Representation |
---|---|
bin | 1000010000001111… |
… | …10110110010001111 |
3 | 102102211011112121010 |
4 | 10020013312302033 |
5 | 33033344310211 |
6 | 2011412540303 |
7 | 214544645655 |
oct | 41007666217 |
9 | 12384145533 |
10 | 4431244431 |
11 | 197435a589 |
12 | a38021693 |
13 | 558082533 |
14 | 30072cdd5 |
15 | 1ae05b4a6 |
hex | 1081f6c8f |
4431244431 has 16 divisors (see below), whose sum is σ = 6071205888. Its totient is φ = 2872807200.
The previous prime is 4431244417. The next prime is 4431244483. The reversal of 4431244431 is 1344421344.
It is not a de Polignac number, because 4431244431 - 27 = 4431244303 is a prime.
It is a super-2 number, since 2×44312444312 = 39271854414537027522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4431244931) 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, 224866 + ... + 243776.
It is an arithmetic number, because the mean of its divisors is an integer number (379450368).
Almost surely, 24431244431 is an apocalyptic number.
4431244431 is a deficient number, since it is larger than the sum of its proper divisors (1639961457).
4431244431 is a wasteful number, since it uses less digits than its factorization.
4431244431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21062.
The product of its digits is 18432, while the sum is 30.
The square root of 4431244431 is about 66567.5929488216. The cubic root of 4431244431 is about 1642.5120671697.
Adding to 4431244431 its reverse (1344421344), we get a palindrome (5775665775).
The spelling of 4431244431 in words is "four billion, four hundred thirty-one million, two hundred forty-four thousand, four hundred thirty-one".
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