Base | Representation |
---|---|
bin | 1000010010000110… |
… | …1100110010100000 |
3 | 12201221202210001210 |
4 | 2010201230302200 |
5 | 14023144123340 |
6 | 1004343430120 |
7 | 106045546434 |
oct | 20441546240 |
9 | 5657683053 |
10 | 2223426720 |
11 | a41080449 |
12 | 520755340 |
13 | 295844718 |
14 | 1714189c4 |
15 | d02e8180 |
hex | 8486cca0 |
2223426720 has 96 divisors (see below), whose sum is σ = 7174681920. Its totient is φ = 578447360.
The previous prime is 2223426707. The next prime is 2223426727. The reversal of 2223426720 is 276243222.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2223426727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36810 + ... + 76169.
It is an arithmetic number, because the mean of its divisors is an integer number (74736270).
Almost surely, 22223426720 is an apocalyptic number.
2223426720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2223426720 is an abundant number, since it is smaller than the sum of its proper divisors (4951255200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223426720 is a wasteful number, since it uses less digits than its factorization.
2223426720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113038 (or 113030 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 30.
The square root of 2223426720 is about 47153.2259765968. The cubic root of 2223426720 is about 1305.1916102730.
Adding to 2223426720 its reverse (276243222), we get a palindrome (2499669942).
The spelling of 2223426720 in words is "two billion, two hundred twenty-three million, four hundred twenty-six thousand, seven hundred twenty".
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