Base | Representation |
---|---|
bin | 1100010010011011100111 |
3 | 20001122200120 |
4 | 30102123213 |
5 | 1311034343 |
6 | 153013023 |
7 | 36244215 |
oct | 14223347 |
9 | 6048616 |
10 | 3221223 |
11 | 1900175 |
12 | 10b4173 |
13 | 88a265 |
14 | 5dbcb5 |
15 | 439683 |
hex | 3126e7 |
3221223 has 8 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 2110968.
The previous prime is 3221189. The next prime is 3221237.
3221223 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3221223 - 28 = 3220967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3221243) 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, 8923 + ... + 9276.
It is an arithmetic number, because the mean of its divisors is an integer number (546000).
Almost surely, 23221223 is an apocalyptic number.
3221223 is a deficient number, since it is larger than the sum of its proper divisors (1146777).
3221223 is a wasteful number, since it uses less digits than its factorization.
3221223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18261.
The product of its digits is 144, while the sum is 15.
The square root of 3221223 is about 1794.7765877680. The cubic root of 3221223 is about 147.6863182208.
The spelling of 3221223 in words is "three million, two hundred twenty-one thousand, two hundred twenty-three".
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