Base | Representation |
---|---|
bin | 101011001100… |
… | …1010101000000 |
3 | 1120121122101120 |
4 | 1112121111000 |
5 | 21244220003 |
6 | 2125232240 |
7 | 363335346 |
oct | 126312500 |
9 | 46548346 |
10 | 22648128 |
11 | 11869968 |
12 | 7702680 |
13 | 48cc879 |
14 | 3017996 |
15 | 1ec5853 |
hex | 1599540 |
22648128 has 28 divisors (see below), whose sum is σ = 59923680. Its totient is φ = 7549312.
The previous prime is 22648051. The next prime is 22648147. The reversal of 22648128 is 82184622.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58788 + ... + 59171.
Almost surely, 222648128 is an apocalyptic number.
It is an amenable number.
22648128 is an abundant number, since it is smaller than the sum of its proper divisors (37275552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22648128 is a wasteful number, since it uses less digits than its factorization.
22648128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117974 (or 117964 counting only the distinct ones).
The product of its digits is 12288, while the sum is 33.
The square root of 22648128 is about 4759.0049380096. The cubic root of 22648128 is about 282.9289820008.
The spelling of 22648128 in words is "twenty-two million, six hundred forty-eight thousand, one hundred twenty-eight".
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