Base | Representation |
---|---|
bin | 11101001000101… |
… | …11000000001111 |
3 | 122000220102211021 |
4 | 32210113000033 |
5 | 1000032144211 |
6 | 40130335011 |
7 | 6025320454 |
oct | 1644270017 |
9 | 560812737 |
10 | 244412431 |
11 | 115a6774a |
12 | 69a2a467 |
13 | 3b837353 |
14 | 2466382b |
15 | 166cd771 |
hex | e91700f |
244412431 has 2 divisors, whose sum is σ = 244412432. Its totient is φ = 244412430.
The previous prime is 244412429. The next prime is 244412453. The reversal of 244412431 is 134214442.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 244412431 - 21 = 244412429 is a prime.
It is a super-2 number, since 2×2444124312 = 119474872854659522, which contains 22 as substring.
Together with 244412429, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 244412396 and 244412405.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (244412411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122206215 + 122206216.
It is an arithmetic number, because the mean of its divisors is an integer number (122206216).
Almost surely, 2244412431 is an apocalyptic number.
244412431 is a deficient number, since it is larger than the sum of its proper divisors (1).
244412431 is an equidigital number, since it uses as much as digits as its factorization.
244412431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3072, while the sum is 25.
The square root of 244412431 is about 15633.6953724959. The cubic root of 244412431 is about 625.2318550985.
Adding to 244412431 its reverse (134214442), we get a palindrome (378626873).
The spelling of 244412431 in words is "two hundred forty-four million, four hundred twelve thousand, four hundred thirty-one".
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