Base | Representation |
---|---|
bin | 111100110100101… |
… | …011011011101000 |
3 | 2122010010211201220 |
4 | 330310223123220 |
5 | 4042213123334 |
6 | 245131342040 |
7 | 34200421365 |
oct | 7464533350 |
9 | 2563124656 |
10 | 1020442344 |
11 | 484016489 |
12 | 2458b1920 |
13 | 133546a4c |
14 | 9974d46c |
15 | 5e8bd449 |
hex | 3cd2b6e8 |
1020442344 has 32 divisors (see below), whose sum is σ = 2557491840. Its totient is φ = 339296000.
The previous prime is 1020442327. The next prime is 1020442363. The reversal of 1020442344 is 4432440201.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43392 + ... + 62639.
It is an arithmetic number, because the mean of its divisors is an integer number (79921620).
Almost surely, 21020442344 is an apocalyptic number.
It is an amenable number.
1020442344 is an abundant number, since it is smaller than the sum of its proper divisors (1537049496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020442344 is a wasteful number, since it uses less digits than its factorization.
1020442344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106441 (or 106437 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 1020442344 is about 31944.3632586408. The cubic root of 1020442344 is about 1006.7682027510.
Adding to 1020442344 its reverse (4432440201), we get a palindrome (5452882545).
The spelling of 1020442344 in words is "one billion, twenty million, four hundred forty-two thousand, three hundred forty-four".
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