Base | Representation |
---|---|
bin | 11010101101001… |
… | …00001100011111 |
3 | 120121112100121120 |
4 | 31112210030133 |
5 | 424322103411 |
6 | 34121302023 |
7 | 5360063202 |
oct | 1526441437 |
9 | 517470546 |
10 | 224019231 |
11 | 1054a8a67 |
12 | 63034913 |
13 | 37546c77 |
14 | 21a75939 |
15 | 14a01106 |
hex | d5a431f |
224019231 has 8 divisors (see below), whose sum is σ = 299525760. Its totient is φ = 148929432.
The previous prime is 224019227. The next prime is 224019247. The reversal of 224019231 is 132910422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 224019231 - 22 = 224019227 is a prime.
It is a super-2 number, since 2×2240192312 = 100369231715662722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (224019281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102925 + ... + 105078.
It is an arithmetic number, because the mean of its divisors is an integer number (37440720).
Almost surely, 2224019231 is an apocalyptic number.
224019231 is a deficient number, since it is larger than the sum of its proper divisors (75506529).
224019231 is a wasteful number, since it uses less digits than its factorization.
224019231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208365.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 224019231 is about 14967.2719959250. The cubic root of 224019231 is about 607.3351738309.
Adding to 224019231 its reverse (132910422), we get a palindrome (356929653).
The spelling of 224019231 in words is "two hundred twenty-four million, nineteen thousand, two hundred thirty-one".
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