Base | Representation |
---|---|
bin | 1000010111000111… |
… | …0010011001101111 |
3 | 12210102021102010021 |
4 | 2011301302121233 |
5 | 14044032434411 |
6 | 1010413423011 |
7 | 106422160063 |
oct | 20561623157 |
9 | 5712242107 |
10 | 2244421231 |
11 | a51a0a988 |
12 | 52779aa67 |
13 | 299cb5700 |
14 | 174121aa3 |
15 | d2093a71 |
hex | 85c7266f |
2244421231 has 6 divisors (see below), whose sum is σ = 2430349800. Its totient is φ = 2071773288.
The previous prime is 2244421229. The next prime is 2244421237. The reversal of 2244421231 is 1321244422.
It is not a de Polignac number, because 2244421231 - 21 = 2244421229 is a prime.
It is a super-2 number, since 2×22444212312 = 10074853324327110722, 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 = 2244421196 and 2244421205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2244421237) 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 in 5 ways as a sum of consecutive naturals, for example, 6640131 + ... + 6640468.
It is an arithmetic number, because the mean of its divisors is an integer number (405058300).
Almost surely, 22244421231 is an apocalyptic number.
2244421231 is a deficient number, since it is larger than the sum of its proper divisors (185928569).
2244421231 is a wasteful number, since it uses less digits than its factorization.
2244421231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13280625 (or 13280612 counting only the distinct ones).
The product of its digits is 3072, while the sum is 25.
The square root of 2244421231 is about 47375.3230173684. The cubic root of 2244421231 is about 1309.2867999828.
Adding to 2244421231 its reverse (1321244422), we get a palindrome (3565665653).
The spelling of 2244421231 in words is "two billion, two hundred forty-four million, four hundred twenty-one thousand, two hundred thirty-one".
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