Base | Representation |
---|---|
bin | 111001100001… |
… | …1110011010010 |
3 | 2002202101122221 |
4 | 1303003303102 |
5 | 30210142010 |
6 | 2554251254 |
7 | 514242145 |
oct | 163036322 |
9 | 62671587 |
10 | 30162130 |
11 | 16031289 |
12 | a126b2a |
13 | 6330a1b |
14 | 401205c |
15 | 29abdda |
hex | 1cc3cd2 |
30162130 has 16 divisors (see below), whose sum is σ = 54411264. Its totient is φ = 12038320.
The previous prime is 30162113. The next prime is 30162133. The reversal of 30162130 is 3126103.
It is a super-2 number, since 2×301621302 = 1819508172273800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30162133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839 + ... + 7981.
It is an arithmetic number, because the mean of its divisors is an integer number (3400704).
Almost surely, 230162130 is an apocalyptic number.
30162130 is a deficient number, since it is larger than the sum of its proper divisors (24249134).
30162130 is a wasteful number, since it uses less digits than its factorization.
30162130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6641.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 30162130 is about 5492.0060087367. The cubic root of 30162130 is about 311.2819959258.
Adding to 30162130 its reverse (3126103), we get a palindrome (33288233).
The spelling of 30162130 in words is "thirty million, one hundred sixty-two thousand, one hundred thirty".
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