Base | Representation |
---|---|
bin | 101010000010… |
… | …1101001011110 |
3 | 1112110220121221 |
4 | 1110011221132 |
5 | 21120340410 |
6 | 2104243554 |
7 | 355235656 |
oct | 124055136 |
9 | 45426557 |
10 | 22043230 |
11 | 11496450 |
12 | 74705ba |
13 | 474a441 |
14 | 2cdb366 |
15 | 1e064da |
hex | 1505a5e |
22043230 has 64 divisors (see below), whose sum is σ = 46656000. Its totient is φ = 7413120.
The previous prime is 22043227. The next prime is 22043233. The reversal of 22043230 is 3234022.
It is an interprime number because it is at equal distance from previous prime (22043227) and next prime (22043233).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22043233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110671 + ... + 110869.
It is an arithmetic number, because the mean of its divisors is an integer number (729000).
Almost surely, 222043230 is an apocalyptic number.
22043230 is an abundant number, since it is smaller than the sum of its proper divisors (24612770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22043230 is a wasteful number, since it uses less digits than its factorization.
22043230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 22043230 is about 4695.0218316851. The cubic root of 22043230 is about 280.3873465583.
Adding to 22043230 its reverse (3234022), we get a palindrome (25277252).
The spelling of 22043230 in words is "twenty-two million, forty-three thousand, two hundred thirty".
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