Base | Representation |
---|---|
bin | 10001000110011… |
… | …00100010101000 |
3 | 100222220201100210 |
4 | 20203030202220 |
5 | 243210203021 |
6 | 22122301120 |
7 | 3361153323 |
oct | 1043144250 |
9 | 328821323 |
10 | 143444136 |
11 | 73a74780 |
12 | 400577a0 |
13 | 23944bb4 |
14 | 1509d7ba |
15 | c8d6e76 |
hex | 88cc8a8 |
143444136 has 32 divisors (see below), whose sum is σ = 391212000. Its totient is φ = 43467840.
The previous prime is 143444131. The next prime is 143444143. The reversal of 143444136 is 631444341.
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 (143444131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271411 + ... + 271938.
It is an arithmetic number, because the mean of its divisors is an integer number (12225375).
Almost surely, 2143444136 is an apocalyptic number.
It is an amenable number.
143444136 is an abundant number, since it is smaller than the sum of its proper divisors (247767864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143444136 is a wasteful number, since it uses less digits than its factorization.
143444136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543369 (or 543365 counting only the distinct ones).
The product of its digits is 13824, while the sum is 30.
The square root of 143444136 is about 11976.8166054257. The cubic root of 143444136 is about 523.4729759296.
Adding to 143444136 its reverse (631444341), we get a palindrome (774888477).
The spelling of 143444136 in words is "one hundred forty-three million, four hundred forty-four thousand, one hundred thirty-six".
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