Base | Representation |
---|---|
bin | 100100011111011… |
… | …0001100000001010 |
3 | 10011022221201221200 |
4 | 1020332301200022 |
5 | 10001422241432 |
6 | 321255245030 |
7 | 42225233511 |
oct | 11076614012 |
9 | 3138851850 |
10 | 1224415242 |
11 | 579172326 |
12 | 2a2079776 |
13 | 16689247b |
14 | b8887678 |
15 | 7275ea7c |
hex | 48fb180a |
1224415242 has 24 divisors (see below), whose sum is σ = 2808953316. Its totient is φ = 384130176.
The previous prime is 1224415237. The next prime is 1224415243. The reversal of 1224415242 is 2425144221.
It is a happy number.
1224415242 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 415 + 242 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1208327121 + 16088121 = 34761^2 + 4011^2 .
It is not an unprimeable number, because it can be changed into a prime (1224415243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2000373 + ... + 2000984.
Almost surely, 21224415242 is an apocalyptic number.
1224415242 is an abundant number, since it is smaller than the sum of its proper divisors (1584538074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224415242 is a wasteful number, since it uses less digits than its factorization.
1224415242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4001382 (or 4001379 counting only the distinct ones).
The product of its digits is 5120, while the sum is 27.
The square root of 1224415242 is about 34991.6453171325. The cubic root of 1224415242 is about 1069.8171993888.
Adding to 1224415242 its reverse (2425144221), we get a palindrome (3649559463).
The spelling of 1224415242 in words is "one billion, two hundred twenty-four million, four hundred fifteen thousand, two hundred forty-two".
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