Base | Representation |
---|---|
bin | 101010111111001… |
… | …1100000101101101 |
3 | 10201112012002211000 |
4 | 1111332130011231 |
5 | 10423230300331 |
6 | 355044150513 |
7 | 50513315121 |
oct | 12576340555 |
9 | 3645162730 |
10 | 1442431341 |
11 | 68024001a |
12 | 343098439 |
13 | 19cab6b90 |
14 | d97d9581 |
15 | 869770e6 |
hex | 55f9c16d |
1442431341 has 32 divisors (see below), whose sum is σ = 2422448000. Its totient is φ = 840927744.
The previous prime is 1442431307. The next prime is 1442431349. The reversal of 1442431341 is 1431342441.
It is not a de Polignac number, because 1442431341 - 27 = 1442431213 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442431349) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101476 + ... + 114813.
It is an arithmetic number, because the mean of its divisors is an integer number (75701500).
Almost surely, 21442431341 is an apocalyptic number.
It is an amenable number.
1442431341 is a deficient number, since it is larger than the sum of its proper divisors (980016659).
1442431341 is a wasteful number, since it uses less digits than its factorization.
1442431341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216330 (or 216324 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 1442431341 is about 37979.3541414279. The cubic root of 1442431341 is about 1129.8784271537.
Adding to 1442431341 its reverse (1431342441), we get a palindrome (2873773782).
Subtracting from 1442431341 its reverse (1431342441), we obtain a square (11088900 = 33302).
The spelling of 1442431341 in words is "one billion, four hundred forty-two million, four hundred thirty-one thousand, three hundred forty-one".
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