Base | Representation |
---|---|
bin | 10001000000010… |
… | …00101110000010 |
3 | 100221101222002220 |
4 | 20200020232002 |
5 | 243004021200 |
6 | 22053151510 |
7 | 3351303015 |
oct | 1040105602 |
9 | 327358086 |
10 | 142642050 |
11 | 735770a1 |
12 | 3b92b596 |
13 | 23723aa5 |
14 | 14d3137c |
15 | c7c94a0 |
hex | 8808b82 |
142642050 has 24 divisors (see below), whose sum is σ = 353752656. Its totient is φ = 38037840.
The previous prime is 142642037. The next prime is 142642091. The reversal of 142642050 is 50246241.
It is a self number, because there is not a number n which added to its sum of digits gives 142642050.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475324 + ... + 475623.
It is an arithmetic number, because the mean of its divisors is an integer number (14739694).
Almost surely, 2142642050 is an apocalyptic number.
142642050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142642050 is an abundant number, since it is smaller than the sum of its proper divisors (211110606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142642050 is a wasteful number, since it uses less digits than its factorization.
142642050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950962 (or 950957 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 142642050 is about 11943.2847240615. The cubic root of 142642050 is about 522.4954632818.
Adding to 142642050 its reverse (50246241), we get a palindrome (192888291).
The spelling of 142642050 in words is "one hundred forty-two million, six hundred forty-two thousand, fifty".
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