Base | Representation |
---|---|
bin | 11010101010001… |
… | …10010101110001 |
3 | 120120210211021102 |
4 | 31111012111301 |
5 | 424222303201 |
6 | 34105134145 |
7 | 5353602335 |
oct | 1525062561 |
9 | 516724242 |
10 | 223634801 |
11 | 105266155 |
12 | 62a8a355 |
13 | 37440cb0 |
14 | 219b57c5 |
15 | 1497726b |
hex | d546571 |
223634801 has 4 divisors (see below), whose sum is σ = 240837492. Its totient is φ = 206432112.
The previous prime is 223634791. The next prime is 223634809. The reversal of 223634801 is 108436322.
223634801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 29757025 + 193877776 = 5455^2 + 13924^2 .
It is a cyclic number.
It is not a de Polignac number, because 223634801 - 218 = 223372657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223634809) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8601326 + ... + 8601351.
It is an arithmetic number, because the mean of its divisors is an integer number (60209373).
Almost surely, 2223634801 is an apocalyptic number.
It is an amenable number.
223634801 is a deficient number, since it is larger than the sum of its proper divisors (17202691).
223634801 is a wasteful number, since it uses less digits than its factorization.
223634801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17202690.
The product of its (nonzero) digits is 6912, while the sum is 29.
The square root of 223634801 is about 14954.4241279964. The cubic root of 223634801 is about 606.9875674503.
The spelling of 223634801 in words is "two hundred twenty-three million, six hundred thirty-four thousand, eight hundred one".
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