Base | Representation |
---|---|
bin | 111011011000000… |
… | …0100100110011010 |
3 | 12010211212222222100 |
4 | 1312300010212122 |
5 | 13040013010432 |
6 | 525410104230 |
7 | 100241245263 |
oct | 16660044632 |
9 | 5124788870 |
10 | 1992313242 |
11 | 932677477 |
12 | 47727b076 |
13 | 2599b569a |
14 | 14c85796a |
15 | b9d9507c |
hex | 76c0499a |
1992313242 has 24 divisors (see below), whose sum is σ = 4368690144. Its totient is φ = 656102664.
The previous prime is 1992313231. The next prime is 1992313243. The reversal of 1992313242 is 2423132991.
1992313242 is a `hidden beast` number, since 19 + 92 + 313 + 242 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 1992313197 and 1992313206.
It is not an unprimeable number, because it can be changed into a prime (1992313243) 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, 665278 + ... + 668265.
It is an arithmetic number, because the mean of its divisors is an integer number (182028756).
Almost surely, 21992313242 is an apocalyptic number.
1992313242 is an abundant number, since it is smaller than the sum of its proper divisors (2376376902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992313242 is a wasteful number, since it uses less digits than its factorization.
1992313242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1333634 (or 1333631 counting only the distinct ones).
The product of its digits is 23328, while the sum is 36.
The square root of 1992313242 is about 44635.3362483134. The cubic root of 1992313242 is about 1258.3048595441.
It can be divided in two parts, 199 and 2313242, that added together give a 4-th power (2313441 = 394).
The spelling of 1992313242 in words is "one billion, nine hundred ninety-two million, three hundred thirteen thousand, two hundred forty-two".
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