Base | Representation |
---|---|
bin | 10001000100111… |
… | …11011000001000 |
3 | 100222120022121020 |
4 | 20202133120020 |
5 | 243133243034 |
6 | 22114312440 |
7 | 3356453100 |
oct | 1042373010 |
9 | 328508536 |
10 | 143259144 |
11 | 73958796 |
12 | 3bb88720 |
13 | 238ab932 |
14 | 15052200 |
15 | c89c249 |
hex | 889f608 |
143259144 has 96 divisors (see below), whose sum is σ = 426460320. Its totient is φ = 39965184.
The previous prime is 143259133. The next prime is 143259163. The reversal of 143259144 is 441952341.
It is a super-2 number, since 2×1432591442 = 41046364679225472, which contains 22 as substring.
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 23 ways as a sum of consecutive naturals, for example, 49152 + ... + 51984.
It is an arithmetic number, because the mean of its divisors is an integer number (4442295).
Almost surely, 2143259144 is an apocalyptic number.
143259144 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 143259144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213230160).
143259144 is an abundant number, since it is smaller than the sum of its proper divisors (283201176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143259144 is a wasteful number, since it uses less digits than its factorization.
143259144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2899 (or 2888 counting only the distinct ones).
The product of its digits is 17280, while the sum is 33.
The square root of 143259144 is about 11969.0911935702. The cubic root of 143259144 is about 523.2478477035.
The spelling of 143259144 in words is "one hundred forty-three million, two hundred fifty-nine thousand, one hundred forty-four".
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