Base | Representation |
---|---|
bin | 10000111110110… |
… | …00011010010000 |
3 | 100221000220200020 |
4 | 20133120122100 |
5 | 242431203201 |
6 | 22045023440 |
7 | 3346520100 |
oct | 1037303220 |
9 | 327026606 |
10 | 142444176 |
11 | 73451466 |
12 | 3b854b80 |
13 | 236849c4 |
14 | 14cbd200 |
15 | c78aa36 |
hex | 87d8690 |
142444176 has 120 divisors (see below), whose sum is σ = 434597184. Its totient is φ = 40078080.
The previous prime is 142444157. The next prime is 142444187. The reversal of 142444176 is 671444241.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166566 + ... + 167418.
Almost surely, 2142444176 is an apocalyptic number.
142444176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142444176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217298592).
142444176 is an abundant number, since it is smaller than the sum of its proper divisors (292153008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142444176 is a wasteful number, since it uses less digits than its factorization.
142444176 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949 (or 936 counting only the distinct ones).
The product of its digits is 21504, while the sum is 33.
The square root of 142444176 is about 11934.9979472139. The cubic root of 142444176 is about 522.2537484178.
The spelling of 142444176 in words is "one hundred forty-two million, four hundred forty-four thousand, one hundred seventy-six".
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