Base | Representation |
---|---|
bin | 111001100010… |
… | …0100011010000 |
3 | 2002202112212122 |
4 | 1303010203100 |
5 | 30210241300 |
6 | 2554313412 |
7 | 514254122 |
oct | 163044320 |
9 | 62675778 |
10 | 30165200 |
11 | 1603361a |
12 | a128868 |
13 | 6332240 |
14 | 4013212 |
15 | 29acc85 |
hex | 1cc48d0 |
30165200 has 60 divisors (see below), whose sum is σ = 78060108. Its totient is φ = 11136000.
The previous prime is 30165173. The next prime is 30165221. The reversal of 30165200 is 256103.
It can be written as a sum of positive squares in 6 ways, for example, as 3136 + 30162064 = 56^2 + 5492^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2300 + ... + 8100.
Almost surely, 230165200 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 30165200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39030054).
30165200 is an abundant number, since it is smaller than the sum of its proper divisors (47894908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30165200 is a wasteful number, since it uses less digits than its factorization.
30165200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5832 (or 5821 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 30165200 is about 5492.2854987701. The cubic root of 30165200 is about 311.2925566666.
The spelling of 30165200 in words is "thirty million, one hundred sixty-five thousand, two hundred".
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