Base | Representation |
---|---|
bin | 10000111101110… |
… | …00111111101100 |
3 | 100220210101011110 |
4 | 20132320333230 |
5 | 242413044000 |
6 | 22042152020 |
7 | 3345442665 |
oct | 1036707754 |
9 | 326711143 |
10 | 142315500 |
11 | 73373818 |
12 | 3b7b2610 |
13 | 2363b272 |
14 | 14c8836c |
15 | c762850 |
hex | 87b8fec |
142315500 has 96 divisors (see below), whose sum is σ = 438879168. Its totient is φ = 35712000.
The previous prime is 142315487. The next prime is 142315507. The reversal of 142315500 is 5513241.
It is not an unprimeable number, because it can be changed into a prime (142315507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22710 + ... + 28290.
It is an arithmetic number, because the mean of its divisors is an integer number (4571658).
Almost surely, 2142315500 is an apocalyptic number.
142315500 is a gapful number since it is divisible by the number (10) 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 142315500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219439584).
142315500 is an abundant number, since it is smaller than the sum of its proper divisors (296563668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142315500 is a wasteful number, since it uses less digits than its factorization.
142315500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5620 (or 5608 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 142315500 is about 11929.6060287002. The cubic root of 142315500 is about 522.0964428901.
Adding to 142315500 its reverse (5513241), we get a palindrome (147828741).
The spelling of 142315500 in words is "one hundred forty-two million, three hundred fifteen thousand, five hundred".
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