Base | Representation |
---|---|
bin | 10001000001011… |
… | …10111001100000 |
3 | 100221200220121211 |
4 | 20200232321200 |
5 | 243024022212 |
6 | 22100355504 |
7 | 3352523650 |
oct | 1040567140 |
9 | 327626554 |
10 | 142798432 |
11 | 73673637 |
12 | 3b9a5b94 |
13 | 2377a01a |
14 | 14d72360 |
15 | c80a9a7 |
hex | 882ee60 |
142798432 has 48 divisors (see below), whose sum is σ = 323350272. Its totient is φ = 60808320.
The previous prime is 142798427. The next prime is 142798451. The reversal of 142798432 is 234897241.
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 7 ways as a sum of consecutive naturals, for example, 34557 + ... + 38467.
It is an arithmetic number, because the mean of its divisors is an integer number (6736464).
Almost surely, 2142798432 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 142798432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161675136).
142798432 is an abundant number, since it is smaller than the sum of its proper divisors (180551840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142798432 is a wasteful number, since it uses less digits than its factorization.
142798432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4091 (or 4083 counting only the distinct ones).
The product of its digits is 96768, while the sum is 40.
The square root of 142798432 is about 11949.8297895828. The cubic root of 142798432 is about 522.6863351037.
The spelling of 142798432 in words is "one hundred forty-two million, seven hundred ninety-eight thousand, four hundred thirty-two".
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