Base | Representation |
---|---|
bin | 1000011110111010101100 |
3 | 11011222110112 |
4 | 20132322230 |
5 | 1032130123 |
6 | 115355152 |
7 | 24621230 |
oct | 10367254 |
9 | 4158415 |
10 | 2223788 |
11 | 1289846 |
12 | 8b2ab8 |
13 | 5cb268 |
14 | 41c5c0 |
15 | 2ddd78 |
hex | 21eeac |
2223788 has 24 divisors (see below), whose sum is σ = 4553472. Its totient is φ = 930384.
The previous prime is 2223773. The next prime is 2223829. The reversal of 2223788 is 8873222.
2223788 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
It is a d-powerful number, because it can be written as 25 + 213 + 221 + 35 + 76 + 8 + 83 .
2223788 is strictly pandigital in base 8.
It is a plaindrome in base 10.
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, 281 + ... + 2127.
It is an arithmetic number, because the mean of its divisors is an integer number (189728).
22223788 is an apocalyptic number.
2223788 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 2223788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276736).
2223788 is an abundant number, since it is smaller than the sum of its proper divisors (2329684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223788 is a wasteful number, since it uses less digits than its factorization.
2223788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).
The product of its digits is 10752, while the sum is 32.
The square root of 2223788 is about 1491.2370703547. The cubic root of 2223788 is about 130.5262299071.
The spelling of 2223788 in words is "two million, two hundred twenty-three thousand, seven hundred eighty-eight".
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