Base | Representation |
---|---|
bin | 101100011110… |
… | …1011010010100 |
3 | 1121212210022120 |
4 | 1120331122110 |
5 | 21432221322 |
6 | 2151455540 |
7 | 402134646 |
oct | 130753224 |
9 | 47783276 |
10 | 23320212 |
11 | 12188903 |
12 | 79875b0 |
13 | 4aa6756 |
14 | 3150896 |
15 | 20a9a5c |
hex | 163d694 |
23320212 has 48 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 7413120.
The previous prime is 23320181. The next prime is 23320237. The reversal of 23320212 is 21202332.
It is a junction number, because it is equal to n+sod(n) for n = 23320191 and 23320200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23037 + ... + 24027.
It is an arithmetic number, because the mean of its divisors is an integer number (1187424).
Almost surely, 223320212 is an apocalyptic number.
It is an amenable number.
23320212 is an abundant number, since it is smaller than the sum of its proper divisors (33676140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23320212 is a wasteful number, since it uses less digits than its factorization.
23320212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23320212 is about 4829.1005373672. The cubic root of 23320212 is about 285.7003888003.
Adding to 23320212 its reverse (21202332), we get a palindrome (44522544).
It can be divided in two parts, 23320 and 212, that added together give a palindrome (23532).
The spelling of 23320212 in words is "twenty-three million, three hundred twenty thousand, two hundred twelve".
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