Base | Representation |
---|---|
bin | 10000111101111… |
… | …10001010010000 |
3 | 100220211110012000 |
4 | 20132332022100 |
5 | 242414233111 |
6 | 22042434000 |
7 | 3345561450 |
oct | 1036761220 |
9 | 326743160 |
10 | 142336656 |
11 | 73388700 |
12 | 3b802900 |
13 | 23647a97 |
14 | 14c91d60 |
15 | c768c56 |
hex | 87be290 |
142336656 has 240 divisors, whose sum is σ = 514550400. Its totient is φ = 36875520.
The previous prime is 142336651. The next prime is 142336687. The reversal of 142336656 is 656633241.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 142336656.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142336651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365710 + ... + 366098.
It is an arithmetic number, because the mean of its divisors is an integer number (2143960).
Almost surely, 2142336656 is an apocalyptic number.
142336656 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 142336656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257275200).
142336656 is an abundant number, since it is smaller than the sum of its proper divisors (372213744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142336656 is a wasteful number, since it uses less digits than its factorization.
142336656 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435 (or 412 counting only the distinct ones).
The product of its digits is 77760, while the sum is 36.
The square root of 142336656 is about 11930.4926972862. The cubic root of 142336656 is about 522.1223124664.
Adding to 142336656 its reverse (656633241), we get a palindrome (798969897).
The spelling of 142336656 in words is "one hundred forty-two million, three hundred thirty-six thousand, six hundred fifty-six".
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