Base | Representation |
---|---|
bin | 101010111110111… |
… | …1111000100000000 |
3 | 10201111222001201120 |
4 | 1111331333010000 |
5 | 10423212444243 |
6 | 355041432240 |
7 | 50512311363 |
oct | 12575770400 |
9 | 3644861646 |
10 | 1442312448 |
11 | 680169765 |
12 | 34303b680 |
13 | 19ca74a25 |
14 | d97a80da |
15 | 86951c83 |
hex | 55f7f100 |
1442312448 has 144 divisors (see below), whose sum is σ = 4101081600. Its totient is φ = 449003520.
The previous prime is 1442312413. The next prime is 1442312449. The reversal of 1442312448 is 8442132441.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1442312449) 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, 689388 + ... + 691476.
Almost surely, 21442312448 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 1442312448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050540800).
1442312448 is an abundant number, since it is smaller than the sum of its proper divisors (2658769152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442312448 is a wasteful number, since it uses less digits than its factorization.
1442312448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2168 (or 2154 counting only the distinct ones).
The product of its digits is 24576, while the sum is 33.
The square root of 1442312448 is about 37977.7888771845. The cubic root of 1442312448 is about 1129.8473827352.
Adding to 1442312448 its reverse (8442132441), we get a palindrome (9884444889).
The spelling of 1442312448 in words is "one billion, four hundred forty-two million, three hundred twelve thousand, four hundred forty-eight".
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