Base | Representation |
---|---|
bin | 11010100000111… |
… | …10110101011100 |
3 | 120111112022221012 |
4 | 31100132311130 |
5 | 423420040122 |
6 | 34023154352 |
7 | 5340401450 |
oct | 1520366534 |
9 | 514468835 |
10 | 222424412 |
11 | 104609831 |
12 | 625a59b8 |
13 | 371090a2 |
14 | 2177c660 |
15 | 147d87e2 |
hex | d41ed5c |
222424412 has 48 divisors (see below), whose sum is σ = 471421440. Its totient is φ = 89698752.
The previous prime is 222424409. The next prime is 222424417. The reversal of 222424412 is 214424222.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222424417) 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, 82193 + ... + 84855.
It is an arithmetic number, because the mean of its divisors is an integer number (9821280).
Almost surely, 2222424412 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 222424412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235710720).
222424412 is an abundant number, since it is smaller than the sum of its proper divisors (248997028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222424412 is a wasteful number, since it uses less digits than its factorization.
222424412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).
The product of its digits is 2048, while the sum is 23.
The square root of 222424412 is about 14913.8999594338. The cubic root of 222424412 is about 605.8905101961.
Adding to 222424412 its reverse (214424222), we get a palindrome (436848634).
The spelling of 222424412 in words is "two hundred twenty-two million, four hundred twenty-four thousand, four hundred twelve".
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