Base | Representation |
---|---|
bin | 111001101001… |
… | …0101100010010 |
3 | 2002212111022220 |
4 | 1303102230102 |
5 | 30214114442 |
6 | 2555441510 |
7 | 514615026 |
oct | 163225422 |
9 | 62774286 |
10 | 30223122 |
11 | 16073096 |
12 | a156296 |
13 | 6352707 |
14 | 402a386 |
15 | 29beeec |
hex | 1cd2b12 |
30223122 has 16 divisors (see below), whose sum is σ = 61175520. Its totient is φ = 9952832.
The previous prime is 30223111. The next prime is 30223147. The reversal of 30223122 is 22132203.
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, 29847 + ... + 30842.
It is an arithmetic number, because the mean of its divisors is an integer number (3823470).
Almost surely, 230223122 is an apocalyptic number.
30223122 is an abundant number, since it is smaller than the sum of its proper divisors (30952398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30223122 is a wasteful number, since it uses less digits than its factorization.
30223122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60777.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30223122 is about 5497.5560024433. The cubic root of 30223122 is about 311.4916730785.
Adding to 30223122 its reverse (22132203), we get a palindrome (52355325).
It can be divided in two parts, 302231 and 22, that added together give a triangular number (302253 = T777).
The spelling of 30223122 in words is "thirty million, two hundred twenty-three thousand, one hundred twenty-two".
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