Base | Representation |
---|---|
bin | 10001001010011… |
… | …11110111111000 |
3 | 101000221001021100 |
4 | 20211033313320 |
5 | 243324411242 |
6 | 22142011400 |
7 | 3365553543 |
oct | 1045176770 |
9 | 330831240 |
10 | 143982072 |
11 | 74301953 |
12 | 40276b60 |
13 | 23aa29c0 |
14 | 1519d85a |
15 | c99154c |
hex | 894fdf8 |
143982072 has 96 divisors (see below), whose sum is σ = 422604000. Its totient is φ = 44022528.
The previous prime is 143982067. The next prime is 143982101. The reversal of 143982072 is 270289341.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 185878 + ... + 186650.
It is an arithmetic number, because the mean of its divisors is an integer number (4402125).
Almost surely, 2143982072 is an apocalyptic number.
143982072 is a gapful number since it is divisible by the number (12) 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 143982072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211302000).
143982072 is an abundant number, since it is smaller than the sum of its proper divisors (278621928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143982072 is a wasteful number, since it uses less digits than its factorization.
143982072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997 (or 990 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 143982072 is about 11999.2529767482. The cubic root of 143982072 is about 524.1265257854.
The spelling of 143982072 in words is "one hundred forty-three million, nine hundred eighty-two thousand, seventy-two".
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