Base | Representation |
---|---|
bin | 1001000101110011… |
… | …0010011101010111 |
3 | 20022001202012010112 |
4 | 2101130302131113 |
5 | 14444200234111 |
6 | 1042050513235 |
7 | 114320503112 |
oct | 22134623527 |
9 | 6261665115 |
10 | 2440243031 |
11 | 10424a9786 |
12 | 58129581b |
13 | 2cb738cb5 |
14 | 192137579 |
15 | e4374e8b |
hex | 91732757 |
2440243031 has 2 divisors, whose sum is σ = 2440243032. Its totient is φ = 2440243030.
The previous prime is 2440242977. The next prime is 2440243067. The reversal of 2440243031 is 1303420442.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2440243031 - 218 = 2439980887 is a prime.
It is a super-2 number, since 2×24402430312 = 11909572100688133922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2440242988 and 2440243006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2440243081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220121515 + 1220121516.
It is an arithmetic number, because the mean of its divisors is an integer number (1220121516).
Almost surely, 22440243031 is an apocalyptic number.
2440243031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2440243031 is an equidigital number, since it uses as much as digits as its factorization.
2440243031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 2440243031 is about 49398.8160890522. The cubic root of 2440243031 is about 1346.3077951915.
Adding to 2440243031 its reverse (1303420442), we get a palindrome (3743663473).
The spelling of 2440243031 in words is "two billion, four hundred forty million, two hundred forty-three thousand, thirty-one".
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