Base | Representation |
---|---|
bin | 11101000111010… |
… | …00110111000111 |
3 | 122000112211120021 |
4 | 32203220313013 |
5 | 1000010122211 |
6 | 40122320011 |
7 | 6023602444 |
oct | 1643506707 |
9 | 560484507 |
10 | 244223431 |
11 | 115948751 |
12 | 69959007 |
13 | 3b79c30a |
14 | 246149cb |
15 | 16692771 |
hex | e8e8dc7 |
244223431 has 8 divisors (see below), whose sum is σ = 246787200. Its totient is φ = 241670520.
The previous prime is 244223383. The next prime is 244223437. The reversal of 244223431 is 134322442.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 244223431 - 219 = 243699143 is a prime.
It is a super-2 number, since 2×2442234312 = 119290168498823522, 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 = 244223396 and 244223405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244223437) 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, 47190 + ... + 52108.
It is an arithmetic number, because the mean of its divisors is an integer number (30848400).
Almost surely, 2244223431 is an apocalyptic number.
244223431 is a deficient number, since it is larger than the sum of its proper divisors (2563769).
244223431 is a wasteful number, since it uses less digits than its factorization.
244223431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5429.
The product of its digits is 4608, while the sum is 25.
The square root of 244223431 is about 15627.6495673534. The cubic root of 244223431 is about 625.0706531327.
Adding to 244223431 its reverse (134322442), we get a palindrome (378545873).
The spelling of 244223431 in words is "two hundred forty-four million, two hundred twenty-three thousand, four hundred thirty-one".
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