Base | Representation |
---|---|
bin | 10011110101110011110 |
3 | 1020000211100 |
4 | 2132232132 |
5 | 131301032 |
6 | 21533530 |
7 | 5345313 |
oct | 2365636 |
9 | 1200740 |
10 | 650142 |
11 | 404509 |
12 | 2742a6 |
13 | 199bcc |
14 | 12cd0a |
15 | cc97c |
hex | 9eb9e |
650142 has 24 divisors (see below), whose sum is σ = 1483560. Its totient is φ = 205200.
The previous prime is 650107. The next prime is 650179. The reversal of 650142 is 241056.
It is a happy number.
650142 is a `hidden beast` number, since 650 + 14 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a plaindrome in base 13.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 650142.
It is an unprimeable number.
650142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609 + ... + 1292.
It is an arithmetic number, because the mean of its divisors is an integer number (61815).
2650142 is an apocalyptic number.
650142 is an abundant number, since it is smaller than the sum of its proper divisors (833418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
650142 is a wasteful number, since it uses less digits than its factorization.
650142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1928 (or 1925 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 650142 is about 806.3138346823. The cubic root of 650142 is about 86.6302180724.
Adding to 650142 its reverse (241056), we get a palindrome (891198).
The spelling of 650142 in words is "six hundred fifty thousand, one hundred forty-two".
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