Base | Representation |
---|---|
bin | 101010110110… |
… | …1111010111010 |
3 | 1120021121111110 |
4 | 1111231322322 |
5 | 21223022310 |
6 | 2121341150 |
7 | 361665111 |
oct | 125557272 |
9 | 46247443 |
10 | 22470330 |
11 | 11758323 |
12 | 76377b6 |
13 | 486996c |
14 | 2dacc78 |
15 | 1e8cd20 |
hex | 156deba |
22470330 has 16 divisors (see below), whose sum is σ = 53928864. Its totient is φ = 5992080.
The previous prime is 22470317. The next prime is 22470347. The reversal of 22470330 is 3307422.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 22470297 and 22470306.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374476 + ... + 374535.
It is an arithmetic number, because the mean of its divisors is an integer number (3370554).
Almost surely, 222470330 is an apocalyptic number.
22470330 is an abundant number, since it is smaller than the sum of its proper divisors (31458534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22470330 is a wasteful number, since it uses less digits than its factorization.
22470330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749021.
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 22470330 is about 4740.2879659362. The cubic root of 22470330 is about 282.1866627950.
Adding to 22470330 its reverse (3307422), we get a palindrome (25777752).
The spelling of 22470330 in words is "twenty-two million, four hundred seventy thousand, three hundred thirty".
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