Base | Representation |
---|---|
bin | 11010101000001… |
… | …01010100110101 |
3 | 120120022021222110 |
4 | 31110011110311 |
5 | 424140243001 |
6 | 34055321233 |
7 | 5351413056 |
oct | 1524052465 |
9 | 516267873 |
10 | 223368501 |
11 | 1050a4074 |
12 | 62980219 |
13 | 37379a15 |
14 | 2194672d |
15 | 149233d6 |
hex | d505535 |
223368501 has 4 divisors (see below), whose sum is σ = 297824672. Its totient is φ = 148912332.
The previous prime is 223368463. The next prime is 223368529. The reversal of 223368501 is 105863322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a de Polignac number, because none of the positive numbers 2k-223368501 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223368401) 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 3 ways as a sum of consecutive naturals, for example, 37228081 + ... + 37228086.
It is an arithmetic number, because the mean of its divisors is an integer number (74456168).
Almost surely, 2223368501 is an apocalyptic number.
It is an amenable number.
223368501 is a deficient number, since it is larger than the sum of its proper divisors (74456171).
223368501 is an equidigital number, since it uses as much as digits as its factorization.
223368501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74456170.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 223368501 is about 14945.5177561702. The cubic root of 223368501 is about 606.7465420665.
The spelling of 223368501 in words is "two hundred twenty-three million, three hundred sixty-eight thousand, five hundred one".
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