Base | Representation |
---|---|
bin | 101010011010110… |
… | …0000110100101101 |
3 | 10200012012212001112 |
4 | 1110311200310231 |
5 | 10403332023341 |
6 | 353122321405 |
7 | 50161654100 |
oct | 12465406455 |
9 | 3605185045 |
10 | 1423314221 |
11 | 67047304a |
12 | 3387b9265 |
13 | 198b52584 |
14 | d7060737 |
15 | 84e4caeb |
hex | 54d60d2d |
1423314221 has 24 divisors (see below), whose sum is σ = 1769874624. Its totient is φ = 1138441920.
The previous prime is 1423314157. The next prime is 1423314223. The reversal of 1423314221 is 1224133241.
It is not a de Polignac number, because 1423314221 - 26 = 1423314157 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1423314223) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30806 + ... + 61608.
It is an arithmetic number, because the mean of its divisors is an integer number (73744776).
Almost surely, 21423314221 is an apocalyptic number.
It is an amenable number.
1423314221 is a deficient number, since it is larger than the sum of its proper divisors (346560403).
1423314221 is a wasteful number, since it uses less digits than its factorization.
1423314221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30881 (or 30874 counting only the distinct ones).
The product of its digits is 1152, while the sum is 23.
The square root of 1423314221 is about 37726.8368803959. The cubic root of 1423314221 is about 1124.8646345112.
Adding to 1423314221 its reverse (1224133241), we get a palindrome (2647447462).
The spelling of 1423314221 in words is "one billion, four hundred twenty-three million, three hundred fourteen thousand, two hundred twenty-one".
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