Base | Representation |
---|---|
bin | 10001000010000… |
… | …10100110011110 |
3 | 100221212000022210 |
4 | 20201002212132 |
5 | 243034113014 |
6 | 22102221250 |
7 | 3353311146 |
oct | 1041024636 |
9 | 327760283 |
10 | 142879134 |
11 | 73719232 |
12 | 3ba24826 |
13 | 237a7988 |
14 | 14d93926 |
15 | c824859 |
hex | 884299e |
142879134 has 8 divisors (see below), whose sum is σ = 285758280. Its totient is φ = 47626376.
The previous prime is 142879127. The next prime is 142879147. The reversal of 142879134 is 431978241.
It is a sphenic number, since it is the product of 3 distinct primes.
142879134 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 142879092 and 142879101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11906589 + ... + 11906600.
It is an arithmetic number, because the mean of its divisors is an integer number (35719785).
Almost surely, 2142879134 is an apocalyptic number.
142879134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142879134 is a wasteful number, since it uses less digits than its factorization.
142879134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23813194.
The product of its digits is 48384, while the sum is 39.
The square root of 142879134 is about 11953.2060134510. The cubic root of 142879134 is about 522.7847813033.
The spelling of 142879134 in words is "one hundred forty-two million, eight hundred seventy-nine thousand, one hundred thirty-four".
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