Base | Representation |
---|---|
bin | 11010101110110… |
… | …00011010101011 |
3 | 120121221020000210 |
4 | 31113120122223 |
5 | 424400430011 |
6 | 34130032203 |
7 | 5361643623 |
oct | 1527303253 |
9 | 517836023 |
10 | 224233131 |
11 | 105634741 |
12 | 63118663 |
13 | 375c0435 |
14 | 21acd883 |
15 | 14a446a6 |
hex | d5d86ab |
224233131 has 4 divisors (see below), whose sum is σ = 298977512. Its totient is φ = 149488752.
The previous prime is 224233129. The next prime is 224233153. The reversal of 224233131 is 131332422.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 224233131 - 21 = 224233129 is a prime.
It is a super-2 number, since 2×2242331312 = 100560994076126322, 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 = 224233098 and 224233107.
It is not an unprimeable number, because it can be changed into a prime (224233531) 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, 37372186 + ... + 37372191.
It is an arithmetic number, because the mean of its divisors is an integer number (74744378).
Almost surely, 2224233131 is an apocalyptic number.
224233131 is a deficient number, since it is larger than the sum of its proper divisors (74744381).
224233131 is an equidigital number, since it uses as much as digits as its factorization.
224233131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74744380.
The product of its digits is 864, while the sum is 21.
The square root of 224233131 is about 14974.4158817631. The cubic root of 224233131 is about 607.5284127001.
Adding to 224233131 its reverse (131332422), we get a palindrome (355565553).
The spelling of 224233131 in words is "two hundred twenty-four million, two hundred thirty-three thousand, one hundred thirty-one".
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