Base | Representation |
---|---|
bin | 110010011100… |
… | …011100011010 |
3 | 220212211111220 |
4 | 302130130122 |
5 | 11341124311 |
6 | 1151232510 |
7 | 220254036 |
oct | 62343432 |
9 | 26784456 |
10 | 13223706 |
11 | 7512191 |
12 | 4518736 |
13 | 297cca2 |
14 | 1a831c6 |
15 | 1263206 |
hex | c9c71a |
13223706 has 8 divisors (see below), whose sum is σ = 26447424. Its totient is φ = 4407900.
The previous prime is 13223699. The next prime is 13223759. The reversal of 13223706 is 60732231.
13223706 is digitally balanced in base 2 and base 4, because in such bases 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.
13223706 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101970 + ... + 1101981.
It is an arithmetic number, because the mean of its divisors is an integer number (3305928).
Almost surely, 213223706 is an apocalyptic number.
13223706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13223706 is a wasteful number, since it uses less digits than its factorization.
13223706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2203956.
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 13223706 is about 3636.4413923505. The cubic root of 13223706 is about 236.4745431018.
Adding to 13223706 its reverse (60732231), we get a palindrome (73955937).
The spelling of 13223706 in words is "thirteen million, two hundred twenty-three thousand, seven hundred six".
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