Base | Representation |
---|---|
bin | 100100110010011… |
… | …1111000010010000 |
3 | 10012000210122120001 |
4 | 1021210333002100 |
5 | 10012003312034 |
6 | 322254055344 |
7 | 42406333351 |
oct | 11144770220 |
9 | 3160718501 |
10 | 1234432144 |
11 | 583894160 |
12 | 2a54aa554 |
13 | 16898b92a |
14 | b9d33d28 |
15 | 7358ca14 |
hex | 4993f090 |
1234432144 has 40 divisors (see below), whose sum is σ = 2611270368. Its totient is φ = 560647680.
The previous prime is 1234432091. The next prime is 1234432159. The reversal of 1234432144 is 4412344321.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310779 + ... + 314725.
Almost surely, 21234432144 is an apocalyptic number.
It is an amenable number.
1234432144 is an abundant number, since it is smaller than the sum of its proper divisors (1376838224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1234432144 is a wasteful number, since it uses less digits than its factorization.
1234432144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5743 (or 5737 counting only the distinct ones).
The product of its digits is 9216, while the sum is 28.
The square root of 1234432144 is about 35134.4865338886. The cubic root of 1234432144 is about 1072.7266598031.
Adding to 1234432144 its reverse (4412344321), we get a palindrome (5646776465).
The spelling of 1234432144 in words is "one billion, two hundred thirty-four million, four hundred thirty-two thousand, one hundred forty-four".
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