Base | Representation |
---|---|
bin | 11010101101010… |
… | …10000011011111 |
3 | 120121120120112110 |
4 | 31112222003133 |
5 | 424323340411 |
6 | 34122005103 |
7 | 5360223156 |
oct | 1526520337 |
9 | 517516473 |
10 | 224043231 |
11 | 105514aa5 |
12 | 63046793 |
13 | 37554b79 |
14 | 21a8059d |
15 | 14a082a6 |
hex | d5aa0df |
224043231 has 32 divisors (see below), whose sum is σ = 328007680. Its totient is φ = 135496800.
The previous prime is 224043227. The next prime is 224043233. The reversal of 224043231 is 132340422.
It is not a de Polignac number, because 224043231 - 22 = 224043227 is a prime.
It is a super-2 number, since 2×2240432312 = 100390738713838722, 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 = 224043198 and 224043207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (224043233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181386 + ... + 182616.
It is an arithmetic number, because the mean of its divisors is an integer number (10250240).
Almost surely, 2224043231 is an apocalyptic number.
224043231 is a deficient number, since it is larger than the sum of its proper divisors (103964449).
224043231 is a wasteful number, since it uses less digits than its factorization.
224043231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1387.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 224043231 is about 14968.0737237629. The cubic root of 224043231 is about 607.3568617363.
Adding to 224043231 its reverse (132340422), we get a palindrome (356383653).
The spelling of 224043231 in words is "two hundred twenty-four million, forty-three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.036 sec. • engine limits •