Base | Representation |
---|---|
bin | 101010000011… |
… | …0110110110100 |
3 | 1112111011102021 |
4 | 1110012312310 |
5 | 21121020210 |
6 | 2104322524 |
7 | 355256260 |
oct | 124066664 |
9 | 45434367 |
10 | 22048180 |
11 | 1149a140 |
12 | 7473444 |
13 | 474c77b |
14 | 2cdd0a0 |
15 | 1e07bda |
hex | 1506db4 |
22048180 has 96 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 6756480.
The previous prime is 22048177. The next prime is 22048219. The reversal of 22048180 is 8184022.
It is a super-2 number, since 2×220481802 = 972244482624800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158551 + ... + 158689.
It is an arithmetic number, because the mean of its divisors is an integer number (611520).
Almost surely, 222048180 is an apocalyptic number.
22048180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22048180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29352960).
22048180 is an abundant number, since it is smaller than the sum of its proper divisors (36657740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22048180 is a wasteful number, since it uses less digits than its factorization.
22048180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269 (or 267 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 22048180 is about 4695.5489561924. The cubic root of 22048180 is about 280.4083327974.
It can be divided in two parts, 220 and 48180, that added together give a square (48400 = 2202).
The spelling of 22048180 in words is "twenty-two million, forty-eight thousand, one hundred eighty".
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