Base | Representation |
---|---|
bin | 101011101010… |
… | …0001001000100 |
3 | 1121001212211210 |
4 | 1113110021010 |
5 | 21324422103 |
6 | 2134331420 |
7 | 365360601 |
oct | 127241104 |
9 | 47055753 |
10 | 22889028 |
11 | 11a13958 |
12 | 77b9b70 |
13 | 4985406 |
14 | 307b6a8 |
15 | 2021e03 |
hex | 15d4244 |
22889028 has 24 divisors (see below), whose sum is σ = 53689888. Its totient is φ = 7589376.
The previous prime is 22889023. The next prime is 22889081. The reversal of 22889028 is 82098822.
It is not an unprimeable number, because it can be changed into a prime (22889023) 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, 2626 + ... + 7257.
Almost surely, 222889028 is an apocalyptic number.
It is an amenable number.
22889028 is an abundant number, since it is smaller than the sum of its proper divisors (30800860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22889028 is a wasteful number, since it uses less digits than its factorization.
22889028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10083 (or 10081 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 22889028 is about 4784.2479032759. The cubic root of 22889028 is about 283.9285841722.
The spelling of 22889028 in words is "twenty-two million, eight hundred eighty-nine thousand, twenty-eight".
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