Base | Representation |
---|---|
bin | 111010011100… |
… | …1000011001000 |
3 | 2010122210102211 |
4 | 1310321003020 |
5 | 30321024001 |
6 | 3012434504 |
7 | 521312242 |
oct | 164710310 |
9 | 63583384 |
10 | 30642376 |
11 | 1632a086 |
12 | a318a34 |
13 | 646b4ab |
14 | 40d9092 |
15 | 2a54351 |
hex | 1d390c8 |
30642376 has 16 divisors (see below), whose sum is σ = 57594240. Its totient is φ = 15283920.
The previous prime is 30642373. The next prime is 30642377. The reversal of 30642376 is 67324603.
It is not an unprimeable number, because it can be changed into a prime (30642373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996 + ... + 7891.
It is an arithmetic number, because the mean of its divisors is an integer number (3599640).
Almost surely, 230642376 is an apocalyptic number.
It is an amenable number.
30642376 is a deficient number, since it is larger than the sum of its proper divisors (26951864).
30642376 is a wasteful number, since it uses less digits than its factorization.
30642376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9324 (or 9320 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 31.
The square root of 30642376 is about 5535.5556180026. Note that the first 3 decimals coincide. The cubic root of 30642376 is about 312.9253974025.
Adding to 30642376 its reverse (67324603), we get a palindrome (97966979).
The spelling of 30642376 in words is "thirty million, six hundred forty-two thousand, three hundred seventy-six".
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