Base | Representation |
---|---|
bin | 1111110000110… |
… | …00100100011101 |
3 | 100012210112101222 |
4 | 13320120210131 |
5 | 232322034323 |
6 | 21041543125 |
7 | 3163601405 |
oct | 770304435 |
9 | 305715358 |
10 | 132221213 |
11 | 686a9833 |
12 | 38344aa5 |
13 | 21515807 |
14 | 137bb805 |
15 | b91b9c8 |
hex | 7e1891d |
132221213 has 4 divisors (see below), whose sum is σ = 132308448. Its totient is φ = 132133980.
The previous prime is 132221207. The next prime is 132221233. The reversal of 132221213 is 312122231.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 132221213 - 24 = 132221197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132221191 and 132221200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132221233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41303 + ... + 44388.
It is an arithmetic number, because the mean of its divisors is an integer number (33077112).
Almost surely, 2132221213 is an apocalyptic number.
It is an amenable number.
132221213 is a deficient number, since it is larger than the sum of its proper divisors (87235).
132221213 is an equidigital number, since it uses as much as digits as its factorization.
132221213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87234.
The product of its digits is 144, while the sum is 17.
The square root of 132221213 is about 11498.7483231872. The cubic root of 132221213 is about 509.4486069398.
Adding to 132221213 its reverse (312122231), we get a palindrome (444343444).
The spelling of 132221213 in words is "one hundred thirty-two million, two hundred twenty-one thousand, two hundred thirteen".
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