Base | Representation |
---|---|
bin | 111001101001… |
… | …0011101111100 |
3 | 2002212110001220 |
4 | 1303102131330 |
5 | 30214102304 |
6 | 2555433340 |
7 | 514612245 |
oct | 163223574 |
9 | 62773056 |
10 | 30222204 |
11 | 16072431 |
12 | a155850 |
13 | 635217c |
14 | 4029ccc |
15 | 29bead9 |
hex | 1cd277c |
30222204 has 12 divisors (see below), whose sum is σ = 70518504. Its totient is φ = 10074064.
The previous prime is 30222187. The next prime is 30222211. The reversal of 30222204 is 40222203.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×302222042 = 1826763229235232, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259247 + ... + 1259270.
It is an arithmetic number, because the mean of its divisors is an integer number (5876542).
Almost surely, 230222204 is an apocalyptic number.
It is an amenable number.
30222204 is an abundant number, since it is smaller than the sum of its proper divisors (40296300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30222204 is a wasteful number, since it uses less digits than its factorization.
30222204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2518524 (or 2518522 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 30222204 is about 5497.4725101632. The cubic root of 30222204 is about 311.4885192872.
Adding to 30222204 its reverse (40222203), we get a palindrome (70444407).
Subtracting 30222204 from its reverse (40222203), we obtain a palindrome (9999999).
The spelling of 30222204 in words is "thirty million, two hundred twenty-two thousand, two hundred four".
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