Base | Representation |
---|---|
bin | 111010111101… |
… | …0001010001100 |
3 | 2011011100021022 |
4 | 1311322022030 |
5 | 30403042233 |
6 | 3022253312 |
7 | 523502621 |
oct | 165721214 |
9 | 64140238 |
10 | 30909068 |
11 | 164a1493 |
12 | a427238 |
13 | 65329b8 |
14 | 4168348 |
15 | 2aa8398 |
hex | 1d7a28c |
30909068 has 6 divisors (see below), whose sum is σ = 54090876. Its totient is φ = 15454532.
The previous prime is 30909059. The next prime is 30909071. The reversal of 30909068 is 86090903.
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 as a sum of consecutive naturals, namely, 3863630 + ... + 3863637.
It is an arithmetic number, because the mean of its divisors is an integer number (9015146).
Almost surely, 230909068 is an apocalyptic number.
It is an amenable number.
30909068 is a deficient number, since it is larger than the sum of its proper divisors (23181808).
30909068 is a wasteful number, since it uses less digits than its factorization.
30909068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7727271 (or 7727269 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 30909068 is about 5559.5924311050. The cubic root of 30909068 is about 313.8306117105.
The spelling of 30909068 in words is "thirty million, nine hundred nine thousand, sixty-eight".
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