Base | Representation |
---|---|
bin | 101010101110… |
… | …1110010000110 |
3 | 1120011020211022 |
4 | 1111131302012 |
5 | 21213413410 |
6 | 2120111142 |
7 | 361301312 |
oct | 125356206 |
9 | 46136738 |
10 | 22404230 |
11 | 117126a2 |
12 | 76054b2 |
13 | 4845854 |
14 | 2d92b42 |
15 | 1e78455 |
hex | 155dc86 |
22404230 has 16 divisors (see below), whose sum is σ = 42450480. Its totient is φ = 8489952.
The previous prime is 22404229. The next prime is 22404233. The reversal of 22404230 is 3240422.
It is a junction number, because it is equal to n+sod(n) for n = 22404199 and 22404208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22404233) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 58769 + ... + 59148.
It is an arithmetic number, because the mean of its divisors is an integer number (2653155).
Almost surely, 222404230 is an apocalyptic number.
22404230 is a deficient number, since it is larger than the sum of its proper divisors (20046250).
22404230 is a wasteful number, since it uses less digits than its factorization.
22404230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117943.
The product of its (nonzero) digits is 384, while the sum is 17.
The square root of 22404230 is about 4733.3106806970. The cubic root of 22404230 is about 281.9096922572.
Adding to 22404230 its reverse (3240422), we get a palindrome (25644652).
The spelling of 22404230 in words is "twenty-two million, four hundred four thousand, two hundred thirty".
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