Base | Representation |
---|---|
bin | 111001100010… |
… | …0000011001010 |
3 | 2002202110001120 |
4 | 1303010003022 |
5 | 30210210041 |
6 | 2554300110 |
7 | 514245126 |
oct | 163040312 |
9 | 62673046 |
10 | 30163146 |
11 | 16032022 |
12 | a127636 |
13 | 6331320 |
14 | 4012586 |
15 | 29ac366 |
hex | 1cc40ca |
30163146 has 32 divisors (see below), whose sum is σ = 68389440. Its totient is φ = 8792064.
The previous prime is 30163141. The next prime is 30163157. The reversal of 30163146 is 64136103.
It is not an unprimeable number, because it can be changed into a prime (30163141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8695 + ... + 11658.
It is an arithmetic number, because the mean of its divisors is an integer number (2137170).
Almost surely, 230163146 is an apocalyptic number.
30163146 is an abundant number, since it is smaller than the sum of its proper divisors (38226294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30163146 is a wasteful number, since it uses less digits than its factorization.
30163146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20390.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 30163146 is about 5492.0985060357. The cubic root of 30163146 is about 311.2854910256.
Adding to 30163146 its reverse (64136103), we get a palindrome (94299249).
The spelling of 30163146 in words is "thirty million, one hundred sixty-three thousand, one hundred forty-six".
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