Base | Representation |
---|---|
bin | 10000111111110… |
… | …01011000101010 |
3 | 100221021202221200 |
4 | 20133321120222 |
5 | 243000013432 |
6 | 22051545030 |
7 | 3350621631 |
oct | 1037713052 |
9 | 327252850 |
10 | 142579242 |
11 | 73533993 |
12 | 3b8bb176 |
13 | 23701320 |
14 | 14d16518 |
15 | c7b5a7c |
hex | 87f962a |
142579242 has 24 divisors (see below), whose sum is σ = 332685444. Its totient is φ = 43870464.
The previous prime is 142579237. The next prime is 142579259. The reversal of 142579242 is 242975241.
142579242 is a `hidden beast` number, since 1 + 42 + 579 + 2 + 42 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 125014761 + 17564481 = 11181^2 + 4191^2 .
It is a junction number, because it is equal to n+sod(n) for n = 142579197 and 142579206.
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, 304423 + ... + 304890.
Almost surely, 2142579242 is an apocalyptic number.
142579242 is an abundant number, since it is smaller than the sum of its proper divisors (190106202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142579242 is a wasteful number, since it uses less digits than its factorization.
142579242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609334 (or 609331 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 142579242 is about 11940.6550071594. The cubic root of 142579242 is about 522.4187638025.
The spelling of 142579242 in words is "one hundred forty-two million, five hundred seventy-nine thousand, two hundred forty-two".
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