Base | Representation |
---|---|
bin | 11010101010110… |
… | …00010100101101 |
3 | 120120221120022120 |
4 | 31111120110231 |
5 | 424232132321 |
6 | 34110503153 |
7 | 5354330154 |
oct | 1525302455 |
9 | 516846276 |
10 | 223708461 |
11 | 105306529 |
12 | 62b04ab9 |
13 | 37468692 |
14 | 219d459b |
15 | 1498dec6 |
hex | d55852d |
223708461 has 4 divisors (see below), whose sum is σ = 298277952. Its totient is φ = 149138972.
The previous prime is 223708453. The next prime is 223708483. The reversal of 223708461 is 164807322.
223708461 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, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 223708461 - 23 = 223708453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223708421) 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, 37284741 + ... + 37284746.
It is an arithmetic number, because the mean of its divisors is an integer number (74569488).
Almost surely, 2223708461 is an apocalyptic number.
It is an amenable number.
223708461 is a deficient number, since it is larger than the sum of its proper divisors (74569491).
223708461 is an equidigital number, since it uses as much as digits as its factorization.
223708461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74569490.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 223708461 is about 14956.8867415649. The cubic root of 223708461 is about 607.0542025716.
The spelling of 223708461 in words is "two hundred twenty-three million, seven hundred eight thousand, four hundred sixty-one".
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