Base | Representation |
---|---|
bin | 111001001111… |
… | …0110001001010 |
3 | 2002110200120212 |
4 | 1302132301022 |
5 | 30140313232 |
6 | 2551121122 |
7 | 513041000 |
oct | 162366112 |
9 | 62420525 |
10 | 30010442 |
11 | 15a38320 |
12 | a0731a2 |
13 | 62a9977 |
14 | 3db2a70 |
15 | 297beb2 |
hex | 1c9ec4a |
30010442 has 64 divisors (see below), whose sum is σ = 59270400. Its totient is φ = 11289600.
The previous prime is 30010417. The next prime is 30010451. The reversal of 30010442 is 24401003.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309338 + ... + 309434.
It is an arithmetic number, because the mean of its divisors is an integer number (926100).
Almost surely, 230010442 is an apocalyptic number.
30010442 is a deficient number, since it is larger than the sum of its proper divisors (29259958).
30010442 is a wasteful number, since it uses less digits than its factorization.
30010442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172 (or 158 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 30010442 is about 5478.1787119443. The cubic root of 30010442 is about 310.7592972155.
Adding to 30010442 its reverse (24401003), we get a palindrome (54411445).
The spelling of 30010442 in words is "thirty million, ten thousand, four hundred forty-two".
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