Base | Representation |
---|---|
bin | 101010011000100… |
… | …0000000000010111 |
3 | 10200002222202021210 |
4 | 1110301000000113 |
5 | 10403031144343 |
6 | 353041112503 |
7 | 50145626112 |
oct | 12461000027 |
9 | 3602882253 |
10 | 1422131223 |
11 | 66a835267 |
12 | 338328733 |
13 | 198829c86 |
14 | d6c33579 |
15 | 84cb7333 |
hex | 54c40017 |
1422131223 has 8 divisors (see below), whose sum is σ = 1947423088. Its totient is φ = 922463424.
The previous prime is 1422131201. The next prime is 1422131251. The reversal of 1422131223 is 3221312241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1422131223 - 28 = 1422130967 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1422131223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1422131273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6405886 + ... + 6406107.
It is an arithmetic number, because the mean of its divisors is an integer number (243427886).
Almost surely, 21422131223 is an apocalyptic number.
1422131223 is a deficient number, since it is larger than the sum of its proper divisors (525291865).
1422131223 is a wasteful number, since it uses less digits than its factorization.
1422131223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12812033.
The product of its digits is 576, while the sum is 21.
The square root of 1422131223 is about 37711.1551533495. The cubic root of 1422131223 is about 1124.5529016460.
Adding to 1422131223 its reverse (3221312241), we get a palindrome (4643443464).
It can be divided in two parts, 1 and 422131223, that added together give a palindrome (422131224).
The spelling of 1422131223 in words is "one billion, four hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-three".
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