Base | Representation |
---|---|
bin | 11101001000110… |
… | …11010011001111 |
3 | 122000221022222010 |
4 | 32210123103033 |
5 | 1000033230111 |
6 | 40130552303 |
7 | 6025422666 |
oct | 1644332317 |
9 | 560838863 |
10 | 244430031 |
11 | 115a7999a |
12 | 69a38693 |
13 | 3b842371 |
14 | 24669ddd |
15 | 166d3aa6 |
hex | e91b4cf |
244430031 has 4 divisors (see below), whose sum is σ = 325906712. Its totient is φ = 162953352.
The previous prime is 244430027. The next prime is 244430047. The reversal of 244430031 is 130034442.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 244430031 - 22 = 244430027 is a prime.
It is a super-2 number, since 2×2444300312 = 119492080109321922, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244430731) 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, 40738336 + ... + 40738341.
It is an arithmetic number, because the mean of its divisors is an integer number (81476678).
Almost surely, 2244430031 is an apocalyptic number.
244430031 is a deficient number, since it is larger than the sum of its proper divisors (81476681).
244430031 is an equidigital number, since it uses as much as digits as its factorization.
244430031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81476680.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 244430031 is about 15634.2582491143. The cubic root of 244430031 is about 625.2468622683.
Adding to 244430031 its reverse (130034442), we get a palindrome (374464473).
The spelling of 244430031 in words is "two hundred forty-four million, four hundred thirty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •