Base | Representation |
---|---|
bin | 101010001000… |
… | …0011011001000 |
3 | 1112120011011200 |
4 | 1110100123020 |
5 | 21123243433 |
6 | 2105224200 |
7 | 355511442 |
oct | 124203310 |
9 | 45504150 |
10 | 22087368 |
11 | 11516626 |
12 | 7492060 |
13 | 4764564 |
14 | 2d0d492 |
15 | 1e14613 |
hex | 15106c8 |
22087368 has 96 divisors (see below), whose sum is σ = 62674560. Its totient is φ = 7021440.
The previous prime is 22087361. The next prime is 22087411. The reversal of 22087368 is 86378022.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (22087361) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206371 + ... + 206477.
It is an arithmetic number, because the mean of its divisors is an integer number (652860).
Almost surely, 222087368 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 22087368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31337280).
22087368 is an abundant number, since it is smaller than the sum of its proper divisors (40587192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22087368 is a wasteful number, since it uses less digits than its factorization.
22087368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227 (or 220 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 22087368 is about 4699.7199916591. The cubic root of 22087368 is about 280.5743652142.
The spelling of 22087368 in words is "twenty-two million, eighty-seven thousand, three hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •