Base | Representation |
---|---|
bin | 11111101011111… |
… | …100001000101001 |
3 | 1101001022200211210 |
4 | 133223330020221 |
5 | 2042043042301 |
6 | 124430143333 |
7 | 16113425541 |
oct | 3753741051 |
9 | 1331280753 |
10 | 531612201 |
11 | 25309912a |
12 | 12a051b49 |
13 | 861a2b43 |
14 | 50864321 |
15 | 31a0ead6 |
hex | 1fafc229 |
531612201 has 8 divisors (see below), whose sum is σ = 708957280. Its totient is φ = 354337632.
The previous prime is 531612199. The next prime is 531612223. The reversal of 531612201 is 102216135.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 531612201 - 21 = 531612199 is a prime.
It is a super-2 number, since 2×5316122012 = 565223064504128802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (531614201) 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 7 ways as a sum of consecutive naturals, for example, 3630 + ... + 32808.
It is an arithmetic number, because the mean of its divisors is an integer number (88619660).
Almost surely, 2531612201 is an apocalyptic number.
It is an amenable number.
531612201 is a deficient number, since it is larger than the sum of its proper divisors (177345079).
531612201 is a wasteful number, since it uses less digits than its factorization.
531612201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35255.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 531612201 is about 23056.7170473162. The cubic root of 531612201 is about 810.0869697807.
Adding to 531612201 its reverse (102216135), we get a palindrome (633828336).
The spelling of 531612201 in words is "five hundred thirty-one million, six hundred twelve thousand, two hundred one".
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