Base | Representation |
---|---|
bin | 10000111110000… |
… | …00000000010101 |
3 | 100220211211112220 |
4 | 20133000000111 |
5 | 242420003323 |
6 | 22042532553 |
7 | 3345622464 |
oct | 1037000025 |
9 | 326754486 |
10 | 142344213 |
11 | 73393350 |
12 | 3b807159 |
13 | 2364b35b |
14 | 14c949db |
15 | c76b0e3 |
hex | 87c0015 |
142344213 has 16 divisors (see below), whose sum is σ = 219226176. Its totient is φ = 81194240.
The previous prime is 142344199. The next prime is 142344229. The reversal of 142344213 is 312443241.
It is a cyclic number.
It is not a de Polignac number, because 142344213 - 212 = 142340117 is a prime.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 126306 + ... + 127427.
It is an arithmetic number, because the mean of its divisors is an integer number (13701636).
Almost surely, 2142344213 is an apocalyptic number.
It is an amenable number.
142344213 is a deficient number, since it is larger than the sum of its proper divisors (76881963).
142344213 is a wasteful number, since it uses less digits than its factorization.
142344213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253764.
The product of its digits is 2304, while the sum is 24.
The square root of 142344213 is about 11930.8094025510. The cubic root of 142344213 is about 522.1315525516.
Adding to 142344213 its reverse (312443241), we get a palindrome (454787454).
The spelling of 142344213 in words is "one hundred forty-two million, three hundred forty-four thousand, two hundred thirteen".
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