Base | Representation |
---|---|
bin | 111010011110… |
… | …1111111111010 |
3 | 2010200211020201 |
4 | 1310331333322 |
5 | 30322201100 |
6 | 3013112414 |
7 | 521425324 |
oct | 164757772 |
9 | 63624221 |
10 | 30662650 |
11 | 16343337 |
12 | a32870a |
13 | 64777a5 |
14 | 4102614 |
15 | 2a5a36a |
hex | 1d3dffa |
30662650 has 12 divisors (see below), whose sum is σ = 57032622. Its totient is φ = 12265040.
The previous prime is 30662641. The next prime is 30662651. The reversal of 30662650 is 5626603.
It can be written as a sum of positive squares in 3 ways, for example, as 27154521 + 3508129 = 5211^2 + 1873^2 .
It is not an unprimeable number, because it can be changed into a prime (30662651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306577 + ... + 306676.
Almost surely, 230662650 is an apocalyptic number.
30662650 is a deficient number, since it is larger than the sum of its proper divisors (26369972).
30662650 is a wasteful number, since it uses less digits than its factorization.
30662650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613265 (or 613260 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
The square root of 30662650 is about 5537.3865676870. The cubic root of 30662650 is about 312.9943960862.
The spelling of 30662650 in words is "thirty million, six hundred sixty-two thousand, six hundred fifty".
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