Base | Representation |
---|---|
bin | 10000111111101… |
… | …10100001101010 |
3 | 100221021011212220 |
4 | 20133312201222 |
5 | 242444130110 |
6 | 22051414510 |
7 | 3350542530 |
oct | 1037664152 |
9 | 327234786 |
10 | 142567530 |
11 | 73526106 |
12 | 3b8b4436 |
13 | 236c8bb1 |
14 | 14d12150 |
15 | c7b2370 |
hex | 87f686a |
142567530 has 64 divisors (see below), whose sum is σ = 392249088. Its totient is φ = 32486400.
The previous prime is 142567519. The next prime is 142567561. The reversal of 142567530 is 35765241.
It is a super-2 number, since 2×1425675302 = 40651001220601800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142567491 and 142567500.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83364 + ... + 85056.
It is an arithmetic number, because the mean of its divisors is an integer number (6128892).
Almost surely, 2142567530 is an apocalyptic number.
142567530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142567530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196124544).
142567530 is an abundant number, since it is smaller than the sum of its proper divisors (249681558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142567530 is a wasteful number, since it uses less digits than its factorization.
142567530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2111.
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 142567530 is about 11940.1645717302. The cubic root of 142567530 is about 522.4044589243.
The spelling of 142567530 in words is "one hundred forty-two million, five hundred sixty-seven thousand, five hundred thirty".
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