Base | Representation |
---|---|
bin | 10000111111111… |
… | …00011100110000 |
3 | 100221022102011111 |
4 | 20133330130300 |
5 | 243000414132 |
6 | 22052123104 |
7 | 3351003340 |
oct | 1037743460 |
9 | 327272144 |
10 | 142591792 |
11 | 73542362 |
12 | 3b906494 |
13 | 23706c55 |
14 | 14d1ad20 |
15 | c7b9647 |
hex | 87fc730 |
142591792 has 40 divisors (see below), whose sum is σ = 318077856. Its totient is φ = 60658176.
The previous prime is 142591693. The next prime is 142591807. The reversal of 142591792 is 297195241.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10698 + ... + 19990.
Almost surely, 2142591792 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142591792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159038928).
142591792 is an abundant number, since it is smaller than the sum of its proper divisors (175486064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142591792 is a wasteful number, since it uses less digits than its factorization.
142591792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9445 (or 9439 counting only the distinct ones).
The product of its digits is 45360, while the sum is 40.
The square root of 142591792 is about 11941.1805111555. The cubic root of 142591792 is about 522.4340913332.
The spelling of 142591792 in words is "one hundred forty-two million, five hundred ninety-one thousand, seven hundred ninety-two".
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