Base | Representation |
---|---|
bin | 10001000110101… |
… | …01110100010011 |
3 | 100222222122111000 |
4 | 20203111310103 |
5 | 243212412011 |
6 | 22123153043 |
7 | 3361402152 |
oct | 1043256423 |
9 | 328878430 |
10 | 143482131 |
11 | 73aa0281 |
12 | 40075783 |
13 | 23959290 |
14 | 150ad599 |
15 | c8e3356 |
hex | 88d5d13 |
143482131 has 32 divisors (see below), whose sum is σ = 229785920. Its totient is φ = 87962112.
The previous prime is 143482127. The next prime is 143482133. The reversal of 143482131 is 131284341.
It is not a de Polignac number, because 143482131 - 22 = 143482127 is a prime.
It is a super-2 number, since 2×1434821312 = 41174243832602322, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 143482095 and 143482104.
It is not an unprimeable number, because it can be changed into a prime (143482133) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 117681 + ... + 118893.
It is an arithmetic number, because the mean of its divisors is an integer number (7180810).
Almost surely, 2143482131 is an apocalyptic number.
143482131 is a deficient number, since it is larger than the sum of its proper divisors (86303789).
143482131 is a wasteful number, since it uses less digits than its factorization.
143482131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1572 (or 1566 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 143482131 is about 11978.4026898414. The cubic root of 143482131 is about 523.5191904362.
The spelling of 143482131 in words is "one hundred forty-three million, four hundred eighty-two thousand, one hundred thirty-one".
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