Base | Representation |
---|---|
bin | 10000111100010… |
… | …11001100111110 |
3 | 100220102211212120 |
4 | 20132023030332 |
5 | 242341043214 |
6 | 22034143410 |
7 | 3344032104 |
oct | 1036131476 |
9 | 326384776 |
10 | 142127934 |
11 | 73255903 |
12 | 3b721b66 |
13 | 235a3a90 |
14 | 14c39c74 |
15 | c726ea9 |
hex | 878b33e |
142127934 has 64 divisors (see below), whose sum is σ = 314529600. Its totient is φ = 42550272.
The previous prime is 142127929. The next prime is 142127957. The reversal of 142127934 is 439721241.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 142127895 and 142127904.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620532 + ... + 620760.
It is an arithmetic number, because the mean of its divisors is an integer number (4914525).
Almost surely, 2142127934 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142127934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157264800).
142127934 is an abundant number, since it is smaller than the sum of its proper divisors (172401666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142127934 is a wasteful number, since it uses less digits than its factorization.
142127934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429.
The product of its digits is 12096, while the sum is 33.
The square root of 142127934 is about 11921.7420706875. The cubic root of 142127934 is about 521.8669748082.
The spelling of 142127934 in words is "one hundred forty-two million, one hundred twenty-seven thousand, nine hundred thirty-four".
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