Base | Representation |
---|---|
bin | 10000111110101… |
… | …11110101111101 |
3 | 100221000210111012 |
4 | 20133113311331 |
5 | 242431114403 |
6 | 22045005005 |
7 | 3346510241 |
oct | 1037276575 |
9 | 327023435 |
10 | 142441853 |
11 | 7344a744 |
12 | 3b853765 |
13 | 23683928 |
14 | 14cbc421 |
15 | c789ed8 |
hex | 87d7d7d |
142441853 has 4 divisors (see below), whose sum is σ = 142467168. Its totient is φ = 142416540.
The previous prime is 142441801. The next prime is 142441877. The reversal of 142441853 is 358144241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 142441853 - 28 = 142441597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142431853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 16878.
It is an arithmetic number, because the mean of its divisors is an integer number (35616792).
Almost surely, 2142441853 is an apocalyptic number.
It is an amenable number.
142441853 is a deficient number, since it is larger than the sum of its proper divisors (25315).
142441853 is an equidigital number, since it uses as much as digits as its factorization.
142441853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25314.
The product of its digits is 15360, while the sum is 32.
The square root of 142441853 is about 11934.9006279902. The cubic root of 142441853 is about 522.2509094061.
The spelling of 142441853 in words is "one hundred forty-two million, four hundred forty-one thousand, eight hundred fifty-three".
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