Base | Representation |
---|---|
bin | 111011000011… |
… | …1010111100000 |
3 | 2011021002111000 |
4 | 1312013113200 |
5 | 30411310133 |
6 | 3023352000 |
7 | 524116425 |
oct | 166072740 |
9 | 64232430 |
10 | 30963168 |
11 | 165290a5 |
12 | a452600 |
13 | 6551502 |
14 | 417dd4c |
15 | 2ab9413 |
hex | 1d875e0 |
30963168 has 48 divisors (see below), whose sum is σ = 90311760. Its totient is φ = 10320768.
The previous prime is 30963161. The next prime is 30963187. The reversal of 30963168 is 86136903.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30963161) 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, 17055 + ... + 18782.
It is an arithmetic number, because the mean of its divisors is an integer number (1881495).
Almost surely, 230963168 is an apocalyptic number.
It is an amenable number.
30963168 is an abundant number, since it is smaller than the sum of its proper divisors (59348592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30963168 is a wasteful number, since it uses less digits than its factorization.
30963168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35856 (or 35842 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 30963168 is about 5564.4557685366. The cubic root of 30963168 is about 314.0136037489.
The spelling of 30963168 in words is "thirty million, nine hundred sixty-three thousand, one hundred sixty-eight".
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