Base | Representation |
---|---|
bin | 101010100101… |
… | …0100010110110 |
3 | 1120000020201210 |
4 | 1111022202312 |
5 | 21203403210 |
6 | 2114302250 |
7 | 360522501 |
oct | 125124266 |
9 | 46006653 |
10 | 22325430 |
11 | 11669476 |
12 | 7587986 |
13 | 4818a1a |
14 | 2d72138 |
15 | 1e5ee20 |
hex | 154a8b6 |
22325430 has 32 divisors (see below), whose sum is σ = 55031904. Its totient is φ = 5792256.
The previous prime is 22325327. The next prime is 22325431. The reversal of 22325430 is 3452322.
It is a super-3 number, since 3×223254303 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22325397 and 22325406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22325431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8947 + ... + 11166.
It is an arithmetic number, because the mean of its divisors is an integer number (1719747).
Almost surely, 222325430 is an apocalyptic number.
22325430 is an abundant number, since it is smaller than the sum of its proper divisors (32706474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22325430 is a wasteful number, since it uses less digits than its factorization.
22325430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20160.
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 22325430 is about 4724.9793650343. The cubic root of 22325430 is about 281.5787937473.
Adding to 22325430 its reverse (3452322), we get a palindrome (25777752).
The spelling of 22325430 in words is "twenty-two million, three hundred twenty-five thousand, four hundred thirty".
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