Base | Representation |
---|---|
bin | 101010101110… |
… | …1100010011110 |
3 | 1120011012110021 |
4 | 1111131202132 |
5 | 21213400410 |
6 | 2120102354 |
7 | 361265353 |
oct | 125354236 |
9 | 46135407 |
10 | 22403230 |
11 | 11711973 |
12 | 76049ba |
13 | 4845265 |
14 | 2d9262a |
15 | 1e77eda |
hex | 155d89e |
22403230 has 8 divisors (see below), whose sum is σ = 40325832. Its totient is φ = 8961288.
The previous prime is 22403207. The next prime is 22403231. The reversal of 22403230 is 3230422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22403231) 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, 1120152 + ... + 1120171.
It is an arithmetic number, because the mean of its divisors is an integer number (5040729).
Almost surely, 222403230 is an apocalyptic number.
22403230 is a deficient number, since it is larger than the sum of its proper divisors (17922602).
22403230 is a wasteful number, since it uses less digits than its factorization.
22403230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2240330.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 22403230 is about 4733.2050452099. The cubic root of 22403230 is about 281.9054979022.
Adding to 22403230 its reverse (3230422), we get a palindrome (25633652).
The spelling of 22403230 in words is "twenty-two million, four hundred three thousand, two hundred thirty".
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