Base | Representation |
---|---|
bin | 101010011100… |
… | …0010100111000 |
3 | 1112212110101000 |
4 | 1110320110320 |
5 | 21144011213 |
6 | 2112525000 |
7 | 360062106 |
oct | 124702470 |
9 | 45773330 |
10 | 22250808 |
11 | 116183a8 |
12 | 7550760 |
13 | 47c0a78 |
14 | 2d52c76 |
15 | 1e47c73 |
hex | 1538538 |
22250808 has 64 divisors (see below), whose sum is σ = 63820800. Its totient is φ = 7175520.
The previous prime is 22250797. The next prime is 22250849. The reversal of 22250808 is 80805222.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 5035 + ... + 8357.
It is an arithmetic number, because the mean of its divisors is an integer number (997200).
Almost surely, 222250808 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 22250808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31910400).
22250808 is an abundant number, since it is smaller than the sum of its proper divisors (41569992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22250808 is a wasteful number, since it uses less digits than its factorization.
22250808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3369 (or 3359 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 22250808 is about 4717.0762130795. The cubic root of 22250808 is about 281.2647210072.
The spelling of 22250808 in words is "twenty-two million, two hundred fifty thousand, eight hundred eight".
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