Base | Representation |
---|---|
bin | 101010100010… |
… | …0110101001110 |
3 | 1112222001122010 |
4 | 1111010311032 |
5 | 21202131110 |
6 | 2114002050 |
7 | 360364332 |
oct | 125046516 |
9 | 45861563 |
10 | 22302030 |
11 | 11652933 |
12 | 7576326 |
13 | 480b18a |
14 | 2d677c2 |
15 | 1e58020 |
hex | 1544d4e |
22302030 has 16 divisors (see below), whose sum is σ = 53524944. Its totient is φ = 5947200.
The previous prime is 22302013. The next prime is 22302031. The reversal of 22302030 is 3020322.
It is a junction number, because it is equal to n+sod(n) for n = 22301997 and 22302015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22302031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371671 + ... + 371730.
It is an arithmetic number, because the mean of its divisors is an integer number (3345309).
Almost surely, 222302030 is an apocalyptic number.
22302030 is an abundant number, since it is smaller than the sum of its proper divisors (31222914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22302030 is a wasteful number, since it uses less digits than its factorization.
22302030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 743411.
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 22302030 is about 4722.5025145573. The cubic root of 22302030 is about 281.4803820983.
Adding to 22302030 its reverse (3020322), we get a palindrome (25322352).
It can be divided in two parts, 2 and 2302030, that added together give a palindrome (2302032).
The spelling of 22302030 in words is "twenty-two million, three hundred two thousand, thirty".
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