Base | Representation |
---|---|
bin | 10110111001111… |
… | …01101111001111 |
3 | 111101112211200000 |
4 | 23130331233033 |
5 | 343142023122 |
6 | 31022135343 |
7 | 4522116411 |
oct | 1334755717 |
9 | 441484600 |
10 | 192142287 |
11 | 99506387 |
12 | 54421553 |
13 | 30a6587c |
14 | 1b7389b1 |
15 | 11d060ac |
hex | b73dbcf |
192142287 has 12 divisors (see below), whose sum is σ = 287818440. Its totient is φ = 128094696.
The previous prime is 192142273. The next prime is 192142333. The reversal of 192142287 is 782241291.
It is not a de Polignac number, because 192142287 - 210 = 192141263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (192142267) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395112 + ... + 395597.
It is an arithmetic number, because the mean of its divisors is an integer number (23984870).
Almost surely, 2192142287 is an apocalyptic number.
192142287 is a deficient number, since it is larger than the sum of its proper divisors (95676153).
192142287 is an frugal number, since it uses more digits than its factorization.
192142287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790724 (or 790712 counting only the distinct ones).
The product of its digits is 16128, while the sum is 36.
The square root of 192142287 is about 13861.5398495261. The cubic root of 192142287 is about 577.0423022149.
The spelling of 192142287 in words is "one hundred ninety-two million, one hundred forty-two thousand, two hundred eighty-seven".
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