Base | Representation |
---|---|
bin | 100100001100010… |
… | …0001100100101010 |
3 | 10010122002022212200 |
4 | 1020120201210222 |
5 | 4441340413042 |
6 | 320300321030 |
7 | 42044063214 |
oct | 11030414452 |
9 | 3118068780 |
10 | 1214388522 |
11 | 573544086 |
12 | 29a843176 |
13 | 1647916b9 |
14 | b73d75b4 |
15 | 7192dc4c |
hex | 4862192a |
1214388522 has 24 divisors (see below), whose sum is σ = 2631963360. Its totient is φ = 404674920.
The previous prime is 1214388517. The next prime is 1214388583. The reversal of 1214388522 is 2258834121.
It is a happy number.
1214388522 is a `hidden beast` number, since 12 + 1 + 43 + 88 + 522 = 666.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67947 + ... + 83937.
It is an arithmetic number, because the mean of its divisors is an integer number (109665140).
Almost surely, 21214388522 is an apocalyptic number.
1214388522 is an abundant number, since it is smaller than the sum of its proper divisors (1417574838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214388522 is a wasteful number, since it uses less digits than its factorization.
1214388522 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20218 (or 20215 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 1214388522 is about 34848.0777375166. The cubic root of 1214388522 is about 1066.8889520899. Note that the first 3 decimals are identical.
The spelling of 1214388522 in words is "one billion, two hundred fourteen million, three hundred eighty-eight thousand, five hundred twenty-two".
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