Base | Representation |
---|---|
bin | 1111101010000… |
… | …01111101111000 |
3 | 100011010212121221 |
4 | 13311001331320 |
5 | 232110422300 |
6 | 21011041424 |
7 | 3153250603 |
oct | 765017570 |
9 | 304125557 |
10 | 131342200 |
11 | 68159380 |
12 | 37ba0274 |
13 | 212986a2 |
14 | 1362d33a |
15 | b7e631a |
hex | 7d41f78 |
131342200 has 96 divisors (see below), whose sum is σ = 335871360. Its totient is φ = 47369600.
The previous prime is 131342191. The next prime is 131342203. The reversal of 131342200 is 2243131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131342203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499269 + ... + 499531.
It is an arithmetic number, because the mean of its divisors is an integer number (3498660).
Almost surely, 2131342200 is an apocalyptic number.
131342200 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 131342200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167935680).
131342200 is an abundant number, since it is smaller than the sum of its proper divisors (204529160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131342200 is a wasteful number, since it uses less digits than its factorization.
131342200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517 (or 508 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 131342200 is about 11460.4624688535. The cubic root of 131342200 is about 508.3171495938.
Adding to 131342200 its reverse (2243131), we get a palindrome (133585331).
The spelling of 131342200 in words is "one hundred thirty-one million, three hundred forty-two thousand, two hundred".
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