Base | Representation |
---|---|
bin | 101010000011… |
… | …0110110000000 |
3 | 1112111011100100 |
4 | 1110012312000 |
5 | 21121020003 |
6 | 2104322400 |
7 | 355256154 |
oct | 124066600 |
9 | 45434310 |
10 | 22048128 |
11 | 1149a0a3 |
12 | 7473400 |
13 | 474c73b |
14 | 2cdd064 |
15 | 1e07ba3 |
hex | 1506d80 |
22048128 has 48 divisors (see below), whose sum is σ = 63449100. Its totient is φ = 7348992.
The previous prime is 22048109. The next prime is 22048129. The reversal of 22048128 is 82184022.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×220481282 = 972239896608768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22048129) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8418 + ... + 10721.
Almost surely, 222048128 is an apocalyptic number.
It is an amenable number.
22048128 is an abundant number, since it is smaller than the sum of its proper divisors (41400972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22048128 is a wasteful number, since it uses less digits than its factorization.
22048128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19159 (or 19144 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 27.
The square root of 22048128 is about 4695.5434190304. The cubic root of 22048128 is about 280.4081123522.
The spelling of 22048128 in words is "twenty-two million, forty-eight thousand, one hundred twenty-eight".
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