Base | Representation |
---|---|
bin | 101010010101110… |
… | …0101100100011110 |
3 | 10200000022122210012 |
4 | 1110223211210132 |
5 | 10402200242342 |
6 | 352550443222 |
7 | 50130566066 |
oct | 12453454436 |
9 | 3600278705 |
10 | 1420712222 |
11 | 669a56136 |
12 | 337963512 |
13 | 198451127 |
14 | d69843a6 |
15 | 84ad6b82 |
hex | 54ae591e |
1420712222 has 4 divisors (see below), whose sum is σ = 2131068336. Its totient is φ = 710356110.
The previous prime is 1420712207. The next prime is 1420712239. The reversal of 1420712222 is 2222170241.
It is a semiprime because it is the product of two primes.
It is a super-4 number, since 4×14207122224 (a number of 38 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355178054 + ... + 355178057.
It is an arithmetic number, because the mean of its divisors is an integer number (532767084).
Almost surely, 21420712222 is an apocalyptic number.
1420712222 is a deficient number, since it is larger than the sum of its proper divisors (710356114).
1420712222 is an equidigital number, since it uses as much as digits as its factorization.
1420712222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710356113.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 1420712222 is about 37692.3363828776. The cubic root of 1420712222 is about 1124.1787512855.
Adding to 1420712222 its reverse (2222170241), we get a palindrome (3642882463).
The spelling of 1420712222 in words is "one billion, four hundred twenty million, seven hundred twelve thousand, two hundred twenty-two".
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