Base | Representation |
---|---|
bin | 111001100001… |
… | …1110011100110 |
3 | 2002202101200200 |
4 | 1303003303212 |
5 | 30210142100 |
6 | 2554251330 |
7 | 514242204 |
oct | 163036346 |
9 | 62671620 |
10 | 30162150 |
11 | 160312a7 |
12 | a126b46 |
13 | 6330a35 |
14 | 4012074 |
15 | 29abe00 |
hex | 1cc3ce6 |
30162150 has 72 divisors (see below), whose sum is σ = 81989544. Its totient is φ = 7948800.
The previous prime is 30162137. The next prime is 30162161. The reversal of 30162150 is 5126103.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43305 + ... + 43995.
Almost surely, 230162150 is an apocalyptic number.
30162150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30162150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40994772).
30162150 is an abundant number, since it is smaller than the sum of its proper divisors (51827394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30162150 is a wasteful number, since it uses less digits than its factorization.
30162150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 806 (or 798 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 30162150 is about 5492.0078295647. The cubic root of 30162150 is about 311.2820647278.
Adding to 30162150 its reverse (5126103), we get a palindrome (35288253).
The spelling of 30162150 in words is "thirty million, one hundred sixty-two thousand, one hundred fifty".
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