Base | Representation |
---|---|
bin | 111001101000… |
… | …0000001100000 |
3 | 2002211221100002 |
4 | 1303100001200 |
5 | 30213242232 |
6 | 2555315132 |
7 | 514541123 |
oct | 163200140 |
9 | 62757302 |
10 | 30212192 |
11 | 1606595a |
12 | a14baa8 |
13 | 634a74a |
14 | 40263ba |
15 | 29bbb62 |
hex | 1cd0060 |
30212192 has 24 divisors (see below), whose sum is σ = 59630256. Its totient is φ = 15068032.
The previous prime is 30212167. The next prime is 30212209. The reversal of 30212192 is 29121203.
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, 15158 + ... + 17034.
It is an arithmetic number, because the mean of its divisors is an integer number (2484594).
Almost surely, 230212192 is an apocalyptic number.
30212192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30212192 is a deficient number, since it is larger than the sum of its proper divisors (29418064).
30212192 is a wasteful number, since it uses less digits than its factorization.
30212192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2390 (or 2382 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 30212192 is about 5496.5618344562. The cubic root of 30212192 is about 311.4541188897.
Adding to 30212192 its reverse (29121203), we get a palindrome (59333395).
The spelling of 30212192 in words is "thirty million, two hundred twelve thousand, one hundred ninety-two".
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