Base | Representation |
---|---|
bin | 101010000111… |
… | …0101110000000 |
3 | 1112112210121000 |
4 | 1110032232000 |
5 | 21123033014 |
6 | 2105132000 |
7 | 355452204 |
oct | 124165600 |
9 | 45483530 |
10 | 22080384 |
11 | 11511357 |
12 | 748a000 |
13 | 4761321 |
14 | 2d0ab04 |
15 | 1e12509 |
hex | 150eb80 |
22080384 has 64 divisors (see below), whose sum is σ = 65178000. Its totient is φ = 7358976.
The previous prime is 22080367. The next prime is 22080403. The reversal of 22080384 is 48308022.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 6650.
Almost surely, 222080384 is an apocalyptic number.
22080384 is a gapful number since it is divisible by the number (24) 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 22080384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32589000).
22080384 is an abundant number, since it is smaller than the sum of its proper divisors (43097616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22080384 is an equidigital number, since it uses as much as digits as its factorization.
22080384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6412 (or 6394 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 22080384 is about 4698.9769099241. The cubic root of 22080384 is about 280.5447896677.
The spelling of 22080384 in words is "twenty-two million, eighty thousand, three hundred eighty-four".
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