Base | Representation |
---|---|
bin | 111001001110… |
… | …0011000001010 |
3 | 2002110012011012 |
4 | 1302130120022 |
5 | 30140010100 |
6 | 2551003522 |
7 | 513000311 |
oct | 162343012 |
9 | 62405135 |
10 | 30000650 |
11 | 15a30a29 |
12 | a0695a2 |
13 | 62a5384 |
14 | 3dad278 |
15 | 2979135 |
hex | 1c9c60a |
30000650 has 24 divisors (see below), whose sum is σ = 56859084. Its totient is φ = 11772800.
The previous prime is 30000647. The next prime is 30000683. The reversal of 30000650 is 5600003.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 7027801 + 22972849 = 2651^2 + 4793^2 .
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 3011 + ... + 8310.
Almost surely, 230000650 is an apocalyptic number.
30000650 is a deficient number, since it is larger than the sum of its proper divisors (26858434).
30000650 is a wasteful number, since it uses less digits than its factorization.
30000650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11386 (or 11381 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 14.
The square root of 30000650 is about 5477.2849113407. The cubic root of 30000650 is about 310.7254946915.
Adding to 30000650 its reverse (5600003), we get a palindrome (35600653).
The spelling of 30000650 in words is "thirty million, six hundred fifty", and thus it is an aban number.
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