Base | Representation |
---|---|
bin | 10000111110000… |
… | …00000000001011 |
3 | 100220211211112112 |
4 | 20133000000023 |
5 | 242420003303 |
6 | 22042532535 |
7 | 3345622451 |
oct | 1037000013 |
9 | 326754475 |
10 | 142344203 |
11 | 73393341 |
12 | 3b80714b |
13 | 2364b351 |
14 | 14c949d1 |
15 | c76b0d8 |
hex | 87c000b |
142344203 has 4 divisors (see below), whose sum is σ = 142851048. Its totient is φ = 141837360.
The previous prime is 142344199. The next prime is 142344229. The reversal of 142344203 is 302443241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302443241 = 829 ⋅364829.
It is a cyclic number.
It is not a de Polignac number, because 142344203 - 22 = 142344199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142344283) 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, 253001 + ... + 253562.
It is an arithmetic number, because the mean of its divisors is an integer number (35712762).
Almost surely, 2142344203 is an apocalyptic number.
142344203 is a deficient number, since it is larger than the sum of its proper divisors (506845).
142344203 is an equidigital number, since it uses as much as digits as its factorization.
142344203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 506844.
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 142344203 is about 11930.8089834680. The cubic root of 142344203 is about 522.1315403246.
Adding to 142344203 its reverse (302443241), we get a palindrome (444787444).
The spelling of 142344203 in words is "one hundred forty-two million, three hundred forty-four thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •