Base | Representation |
---|---|
bin | 100100011111100… |
… | …1110100011000000 |
3 | 10011100011210010211 |
4 | 1020333032203000 |
5 | 10001440043313 |
6 | 321302003504 |
7 | 42226240402 |
oct | 11077164300 |
9 | 3140153124 |
10 | 1224534208 |
11 | 579243747 |
12 | 2a2116594 |
13 | 166904671 |
14 | b88b8b72 |
15 | 72784e3d |
hex | 48fce8c0 |
1224534208 has 112 divisors (see below), whose sum is σ = 2672205984. Its totient is φ = 554434560.
The previous prime is 1224534197. The next prime is 1224534209. The reversal of 1224534208 is 8024354221.
It is a self number, because there is not a number n which added to its sum of digits gives 1224534208.
It is not an unprimeable number, because it can be changed into a prime (1224534209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4326835 + ... + 4327117.
It is an arithmetic number, because the mean of its divisors is an integer number (23858982).
Almost surely, 21224534208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1224534208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336102992).
1224534208 is an abundant number, since it is smaller than the sum of its proper divisors (1447671776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224534208 is a wasteful number, since it uses less digits than its factorization.
1224534208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450 (or 440 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 31.
The square root of 1224534208 is about 34993.3451959083. The cubic root of 1224534208 is about 1069.8518466083.
Adding to 1224534208 its reverse (8024354221), we get a palindrome (9248888429).
The spelling of 1224534208 in words is "one billion, two hundred twenty-four million, five hundred thirty-four thousand, two hundred eight".
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