Base | Representation |
---|---|
bin | 101011100000… |
… | …1111101101000 |
3 | 1120221002201000 |
4 | 1113001331220 |
5 | 21320031233 |
6 | 2132555000 |
7 | 364630530 |
oct | 127017550 |
9 | 46832630 |
10 | 22814568 |
11 | 11972a17 |
12 | 7782a60 |
13 | 495a55a |
14 | 305c4c0 |
15 | 2009d13 |
hex | 15c1f68 |
22814568 has 128 divisors (see below), whose sum is σ = 73728000. Its totient is φ = 6402240.
The previous prime is 22814557. The next prime is 22814569. The reversal of 22814568 is 86541822.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (22814569) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119353 + ... + 119543.
It is an arithmetic number, because the mean of its divisors is an integer number (576000).
Almost surely, 222814568 is an apocalyptic number.
22814568 is a gapful number since it is divisible by the number (28) 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 22814568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36864000).
22814568 is an abundant number, since it is smaller than the sum of its proper divisors (50913432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22814568 is a wasteful number, since it uses less digits than its factorization.
22814568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292 (or 282 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 22814568 is about 4776.4597768640. The cubic root of 22814568 is about 283.6203682481.
The spelling of 22814568 in words is "twenty-two million, eight hundred fourteen thousand, five hundred sixty-eight".
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