Base | Representation |
---|---|
bin | 10001000100000… |
… | …10111001111100 |
3 | 100222100101121222 |
4 | 20202002321330 |
5 | 243121030044 |
6 | 22112012512 |
7 | 3355456100 |
oct | 1042027174 |
9 | 328311558 |
10 | 143142524 |
11 | 73889108 |
12 | 3bb31138 |
13 | 2386a825 |
14 | 15021900 |
15 | c8778ee |
hex | 8882e7c |
143142524 has 72 divisors (see below), whose sum is σ = 307849248. Its totient is φ = 57953280.
The previous prime is 143142511. The next prime is 143142557. The reversal of 143142524 is 425241341.
It is a junction number, because it is equal to n+sod(n) for n = 143142493 and 143142502.
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, 509264 + ... + 509544.
It is an arithmetic number, because the mean of its divisors is an integer number (4275684).
Almost surely, 2143142524 is an apocalyptic number.
143142524 is a gapful number since it is divisible by the number (14) 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 143142524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153924624).
143142524 is an abundant number, since it is smaller than the sum of its proper divisors (164706724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143142524 is a wasteful number, since it uses less digits than its factorization.
143142524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435 (or 426 counting only the distinct ones).
The product of its digits is 3840, while the sum is 26.
The square root of 143142524 is about 11964.2184868047. The cubic root of 143142524 is about 523.1058259848.
Adding to 143142524 its reverse (425241341), we get a palindrome (568383865).
The spelling of 143142524 in words is "one hundred forty-three million, one hundred forty-two thousand, five hundred twenty-four".
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