Base | Representation |
---|---|
bin | 100100011110111… |
… | …0011001110010000 |
3 | 10011022110210000121 |
4 | 1020331303032100 |
5 | 10001341111034 |
6 | 321250000024 |
7 | 42223122004 |
oct | 11075631620 |
9 | 3138423017 |
10 | 1224160144 |
11 | 5790086a9 |
12 | 2a1b76014 |
13 | 16680331c |
14 | b881c704 |
15 | 7270e1b4 |
hex | 48f73390 |
1224160144 has 15 divisors (see below), whose sum is σ = 2372081467. Its totient is φ = 612010096.
The previous prime is 1224160121. The next prime is 1224160159. The reversal of 1224160144 is 4410614221.
The square root of 1224160144 is 34988.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135579 + ... + 144325.
Almost surely, 21224160144 is an apocalyptic number.
1224160144 is the 34988-th square number.
It is an amenable number.
1224160144 is a deficient number, since it is larger than the sum of its proper divisors (1147921323).
1224160144 is an frugal number, since it uses more digits than its factorization.
1224160144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17502 (or 8749 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The cubic root of 1224160144 is about 1069.7428980206.
Multiplying 1224160144 by its sum of digits (25), we get a square (30604003600 = 1749402).
Adding to 1224160144 its reverse (4410614221), we get a palindrome (5634774365).
The spelling of 1224160144 in words is "one billion, two hundred twenty-four million, one hundred sixty thousand, one hundred forty-four".
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