Base | Representation |
---|---|
bin | 101010000111… |
… | …0101010111111 |
3 | 1112112210022212 |
4 | 1110032222333 |
5 | 21123031231 |
6 | 2105131035 |
7 | 355451510 |
oct | 124165277 |
9 | 45483285 |
10 | 22080191 |
11 | 115111a1 |
12 | 7489a7b |
13 | 4761203 |
14 | 2d0aa07 |
15 | 1e1242b |
hex | 150eabf |
22080191 has 8 divisors (see below), whose sum is σ = 25288704. Its totient is φ = 18885240.
The previous prime is 22080167. The next prime is 22080193. The reversal of 22080191 is 19108022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22080191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22080193) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 6656.
It is an arithmetic number, because the mean of its divisors is an integer number (3161088).
Almost surely, 222080191 is an apocalyptic number.
22080191 is a deficient number, since it is larger than the sum of its proper divisors (3208513).
22080191 is an equidigital number, since it uses as much as digits as its factorization.
22080191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6781.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 22080191 is about 4698.9563734940. The cubic root of 22080191 is about 280.5439722710.
The spelling of 22080191 in words is "twenty-two million, eighty thousand, one hundred ninety-one".
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