Base | Representation |
---|---|
bin | 1111110000110… |
… | …01000011111111 |
3 | 100012210122011201 |
4 | 13320121003333 |
5 | 232322120411 |
6 | 21042000331 |
7 | 3163610320 |
oct | 770310377 |
9 | 305718151 |
10 | 132223231 |
11 | 687002a8 |
12 | 383460a7 |
13 | 215166ca |
14 | 137bc447 |
15 | b91c3c1 |
hex | 7e190ff |
132223231 has 4 divisors (see below), whose sum is σ = 151112272. Its totient is φ = 113334192.
The previous prime is 132223219. The next prime is 132223243. The reversal of 132223231 is 132322231.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (132223219) and next prime (132223243).
It is a cyclic number.
It is not a de Polignac number, because 132223231 - 25 = 132223199 is a prime.
It is a super-2 number, since 2×1322232312 = 34965965632158722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132223199 and 132223208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132223211) 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 3 ways as a sum of consecutive naturals, for example, 9444510 + ... + 9444523.
It is an arithmetic number, because the mean of its divisors is an integer number (37778068).
Almost surely, 2132223231 is an apocalyptic number.
132223231 is a deficient number, since it is larger than the sum of its proper divisors (18889041).
132223231 is an equidigital number, since it uses as much as digits as its factorization.
132223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18889040.
The product of its digits is 432, while the sum is 19.
The square root of 132223231 is about 11498.8360715335. The cubic root of 132223231 is about 509.4511987127.
Adding to 132223231 its reverse (132322231), we get a palindrome (264545462).
It can be divided in two parts, 132 and 223231, that multiplied together give a palindrome (29466492).
The spelling of 132223231 in words is "one hundred thirty-two million, two hundred twenty-three thousand, two hundred thirty-one".
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