Base | Representation |
---|---|
bin | 100011111001010… |
… | …0000110111010000 |
3 | 10002221100002022122 |
4 | 1013302200313100 |
5 | 4431313033034 |
6 | 315302553412 |
7 | 41563302440 |
oct | 10762406720 |
9 | 3087302278 |
10 | 1204424144 |
11 | 568958760 |
12 | 297438868 |
13 | 1626b3111 |
14 | b5d62120 |
15 | 70b1162e |
hex | 47ca0dd0 |
1204424144 has 80 divisors (see below), whose sum is σ = 2915813376. Its totient is φ = 468220800.
The previous prime is 1204424131. The next prime is 1204424147. The reversal of 1204424144 is 4414244021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1204424147) 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, 796349 + ... + 797859.
Almost surely, 21204424144 is an apocalyptic number.
1204424144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1204424144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457906688).
1204424144 is an abundant number, since it is smaller than the sum of its proper divisors (1711389232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1204424144 is a wasteful number, since it uses less digits than its factorization.
1204424144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2184 (or 2178 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 26.
The square root of 1204424144 is about 34704.8144210569. The cubic root of 1204424144 is about 1063.9628993791.
Adding to 1204424144 its reverse (4414244021), we get a palindrome (5618668165).
The spelling of 1204424144 in words is "one billion, two hundred four million, four hundred twenty-four thousand, one hundred forty-four".
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