Base | Representation |
---|---|
bin | 111001100010… |
… | …0000100001010 |
3 | 2002202110010221 |
4 | 1303010010022 |
5 | 30210210320 |
6 | 2554300254 |
7 | 514245250 |
oct | 163040412 |
9 | 62673127 |
10 | 30163210 |
11 | 16032080 |
12 | a12768a |
13 | 633136c |
14 | 40125d0 |
15 | 29ac3aa |
hex | 1cc410a |
30163210 has 64 divisors (see below), whose sum is σ = 69341184. Its totient is φ = 9172800.
The previous prime is 30163157. The next prime is 30163223. The reversal of 30163210 is 1236103.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32655 + ... + 33565.
It is an arithmetic number, because the mean of its divisors is an integer number (1083456).
Almost surely, 230163210 is an apocalyptic number.
30163210 is an abundant number, since it is smaller than the sum of its proper divisors (39177974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30163210 is a wasteful number, since it uses less digits than its factorization.
30163210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 979.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 30163210 is about 5492.1043325851. The cubic root of 30163210 is about 311.2857111867.
Adding to 30163210 its reverse (1236103), we get a palindrome (31399313).
It can be divided in two parts, 3016 and 3210, that added together give a palindrome (6226).
The spelling of 30163210 in words is "thirty million, one hundred sixty-three thousand, two hundred ten".
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