Base | Representation |
---|---|
bin | 111010011110… |
… | …1111000111000 |
3 | 2010200210122001 |
4 | 1310331320320 |
5 | 30322142300 |
6 | 3013110344 |
7 | 521424112 |
oct | 164757070 |
9 | 63623561 |
10 | 30662200 |
11 | 16342a68 |
12 | a3283b4 |
13 | 647751a |
14 | 41023b2 |
15 | 2a5a16a |
hex | 1d3de38 |
30662200 has 48 divisors (see below), whose sum is σ = 75051000. Its totient is φ = 11617920.
The previous prime is 30662179. The next prime is 30662207. The reversal of 30662200 is 226603.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30662207) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235 + ... + 7834.
Almost surely, 230662200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30662200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37525500).
30662200 is an abundant number, since it is smaller than the sum of its proper divisors (44388800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30662200 is a wasteful number, since it uses less digits than its factorization.
30662200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8104 (or 8095 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 30662200 is about 5537.3459346514. The cubic root of 30662200 is about 312.9928649273.
Adding to 30662200 its reverse (226603), we get a palindrome (30888803).
The spelling of 30662200 in words is "thirty million, six hundred sixty-two thousand, two hundred".
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