Base | Representation |
---|---|
bin | 10001000011010… |
… | …11010000000111 |
3 | 100222011110201122 |
4 | 20201223100013 |
5 | 243104430024 |
6 | 22105544155 |
7 | 3354603452 |
oct | 1041532007 |
9 | 328143648 |
10 | 143045639 |
11 | 73822340 |
12 | 3baa505b |
13 | 238356b9 |
14 | 14dd8499 |
15 | c858d5e |
hex | 886b407 |
143045639 has 8 divisors (see below), whose sum is σ = 156739968. Its totient is φ = 129466360.
The previous prime is 143045629. The next prime is 143045641. The reversal of 143045639 is 936540341.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-143045639 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 143045599 and 143045608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143045629) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 26147 + ... + 31140.
It is an arithmetic number, because the mean of its divisors is an integer number (19592496).
Almost surely, 2143045639 is an apocalyptic number.
143045639 is a deficient number, since it is larger than the sum of its proper divisors (13694329).
143045639 is a wasteful number, since it uses less digits than its factorization.
143045639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57525.
The product of its (nonzero) digits is 38880, while the sum is 35.
The square root of 143045639 is about 11960.1688533231. The cubic root of 143045639 is about 522.9877791943.
The spelling of 143045639 in words is "one hundred forty-three million, forty-five thousand, six hundred thirty-nine".
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