Base | Representation |
---|---|
bin | 10000111011111… |
… | …11100011110101 |
3 | 100220100102110022 |
4 | 20131333203311 |
5 | 242333031440 |
6 | 22033134525 |
7 | 3343443056 |
oct | 1035774365 |
9 | 326312408 |
10 | 142080245 |
11 | 73222a9a |
12 | 3b6ba445 |
13 | 23588168 |
14 | 14c2672d |
15 | c717cb5 |
hex | 877f8f5 |
142080245 has 4 divisors (see below), whose sum is σ = 170496300. Its totient is φ = 113664192.
The previous prime is 142080241. The next prime is 142080247. The reversal of 142080245 is 542080241.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 94497841 + 47582404 = 9721^2 + 6898^2 .
It is a cyclic number.
It is not a de Polignac number, because 142080245 - 22 = 142080241 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142080241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14208020 + ... + 14208029.
It is an arithmetic number, because the mean of its divisors is an integer number (42624075).
Almost surely, 2142080245 is an apocalyptic number.
It is an amenable number.
142080245 is a deficient number, since it is larger than the sum of its proper divisors (28416055).
142080245 is an equidigital number, since it uses as much as digits as its factorization.
142080245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28416054.
The product of its (nonzero) digits is 2560, while the sum is 26.
The square root of 142080245 is about 11919.7418176737. The cubic root of 142080245 is about 521.8085999401.
The spelling of 142080245 in words is "one hundred forty-two million, eighty thousand, two hundred forty-five".
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