Base | Representation |
---|---|
bin | 10000111110110… |
… | …00010010011000 |
3 | 100221000212222120 |
4 | 20133120102120 |
5 | 242431144142 |
6 | 22045021240 |
7 | 3346515450 |
oct | 1037302230 |
9 | 327025876 |
10 | 142443672 |
11 | 73451048 |
12 | 3b854820 |
13 | 236846c7 |
14 | 14cbcd60 |
15 | c78a7ec |
hex | 87d8498 |
142443672 has 64 divisors (see below), whose sum is σ = 407884800. Its totient is φ = 40608000.
The previous prime is 142443671. The next prime is 142443683. The reversal of 142443672 is 276344241.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142443671) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125604 + ... + 126732.
It is an arithmetic number, because the mean of its divisors is an integer number (6373200).
Almost surely, 2142443672 is an apocalyptic number.
142443672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142443672 is an abundant number, since it is smaller than the sum of its proper divisors (265441128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142443672 is a wasteful number, since it uses less digits than its factorization.
142443672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1896 (or 1892 counting only the distinct ones).
The product of its digits is 32256, while the sum is 33.
The square root of 142443672 is about 11934.9768328221. The cubic root of 142443672 is about 522.2531324661.
The spelling of 142443672 in words is "one hundred forty-two million, four hundred forty-three thousand, six hundred seventy-two".
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