Base | Representation |
---|---|
bin | 101010111110110… |
… | …1001000010000100 |
3 | 10201111210110221111 |
4 | 1111331221002010 |
5 | 10423202102322 |
6 | 355035454404 |
7 | 50511454324 |
oct | 12575510204 |
9 | 3644713844 |
10 | 1442222212 |
11 | 680107992 |
12 | 342bb7404 |
13 | 19ca42932 |
14 | d9783284 |
15 | 86935177 |
hex | 55f69084 |
1442222212 has 12 divisors (see below), whose sum is σ = 2526463296. Its totient is φ = 720375560.
The previous prime is 1442222147. The next prime is 1442222231. The reversal of 1442222212 is 2122222441.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179464 + ... + 187327.
It is an arithmetic number, because the mean of its divisors is an integer number (210538608).
Almost surely, 21442222212 is an apocalyptic number.
It is an amenable number.
1442222212 is a deficient number, since it is larger than the sum of its proper divisors (1084241084).
1442222212 is a wasteful number, since it uses less digits than its factorization.
1442222212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367778 (or 367776 counting only the distinct ones).
The product of its digits is 1024, while the sum is 22.
The square root of 1442222212 is about 37976.6008484172. The cubic root of 1442222212 is about 1129.8238198715.
Adding to 1442222212 its reverse (2122222441), we get a palindrome (3564444653).
The spelling of 1442222212 in words is "one billion, four hundred forty-two million, two hundred twenty-two thousand, two hundred twelve".
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