Base | Representation |
---|---|
bin | 10001000100110… |
… | …10010011001100 |
3 | 100222112021002000 |
4 | 20202122103030 |
5 | 243132111343 |
6 | 22114032300 |
7 | 3356335341 |
oct | 1042322314 |
9 | 328467060 |
10 | 143238348 |
11 | 73944100 |
12 | 3bb78690 |
13 | 238a2326 |
14 | 150487c8 |
15 | c895ed3 |
hex | 889a4cc |
143238348 has 144 divisors (see below), whose sum is σ = 416045280. Its totient is φ = 42577920.
The previous prime is 143238313. The next prime is 143238391. The reversal of 143238348 is 843832341.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1267540 + ... + 1267652.
Almost surely, 2143238348 is an apocalyptic number.
143238348 is a gapful number since it is divisible by the number (18) 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 143238348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208022640).
143238348 is an abundant number, since it is smaller than the sum of its proper divisors (272806932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143238348 is a wasteful number, since it uses less digits than its factorization.
143238348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245 (or 226 counting only the distinct ones).
The product of its digits is 55296, while the sum is 36.
The square root of 143238348 is about 11968.2224244037. Note that the first 3 decimals coincide. The cubic root of 143238348 is about 523.2225276471. Note that the first 3 decimals are identical.
The spelling of 143238348 in words is "one hundred forty-three million, two hundred thirty-eight thousand, three hundred forty-eight".
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