Base | Representation |
---|---|
bin | 11010100110010… |
… | …01011000111001 |
3 | 120112211211012212 |
4 | 31103021120321 |
5 | 424104414001 |
6 | 34050144505 |
7 | 5346341243 |
oct | 1523113071 |
9 | 515754185 |
10 | 223123001 |
11 | 104a46682 |
12 | 62882135 |
13 | 372c205a |
14 | 218c1093 |
15 | 148c57bb |
hex | d4c9639 |
223123001 has 8 divisors (see below), whose sum is σ = 228655680. Its totient is φ = 217606032.
The previous prime is 223122983. The next prime is 223123003. The reversal of 223123001 is 100321322.
It is a happy number.
223123001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223123001 - 214 = 223106617 is a prime.
It is a super-3 number, since 3×2231230013 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223123003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27980 + ... + 35058.
It is an arithmetic number, because the mean of its divisors is an integer number (28581960).
Almost surely, 2223123001 is an apocalyptic number.
It is an amenable number.
223123001 is a deficient number, since it is larger than the sum of its proper divisors (5532679).
223123001 is an equidigital number, since it uses as much as digits as its factorization.
223123001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7855.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 223123001 is about 14937.3023334202. The cubic root of 223123001 is about 606.5241727822.
Adding to 223123001 its reverse (100321322), we get a palindrome (323444323).
The spelling of 223123001 in words is "two hundred twenty-three million, one hundred twenty-three thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •