Base | Representation |
---|---|
bin | 10001000110111… |
… | …01100010001110 |
3 | 101000001020211210 |
4 | 20203131202032 |
5 | 243214414432 |
6 | 22123555250 |
7 | 3361563261 |
oct | 1043354216 |
9 | 330036753 |
10 | 143513742 |
11 | 74011aa9 |
12 | 4008bb26 |
13 | 2396a798 |
14 | 150bacd8 |
15 | c8ec8cc |
hex | 88dd88e |
143513742 has 16 divisors (see below), whose sum is σ = 287481600. Its totient is φ = 47762232.
The previous prime is 143513719. The next prime is 143513753. The reversal of 143513742 is 247315341.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 14742 + ... + 22457.
It is an arithmetic number, because the mean of its divisors is an integer number (17967600).
Almost surely, 2143513742 is an apocalyptic number.
143513742 is an abundant number, since it is smaller than the sum of its proper divisors (143967858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143513742 is a wasteful number, since it uses less digits than its factorization.
143513742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37847.
The product of its digits is 10080, while the sum is 30.
The square root of 143513742 is about 11979.7221169775. The cubic root of 143513742 is about 523.5576336668.
The spelling of 143513742 in words is "one hundred forty-three million, five hundred thirteen thousand, seven hundred forty-two".
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