Base | Representation |
---|---|
bin | 1000010000101… |
… | …0111101111010 |
3 | 2102012022000200 |
4 | 2010022331322 |
5 | 32332213210 |
6 | 3234343030 |
7 | 600334242 |
oct | 204127572 |
9 | 72168020 |
10 | 34647930 |
11 | 18615559 |
12 | b72aa76 |
13 | 7241745 |
14 | 485cb22 |
15 | 30960c0 |
hex | 210af7a |
34647930 has 48 divisors (see below), whose sum is σ = 92012544. Its totient is φ = 9041760.
The previous prime is 34647923. The next prime is 34647931. The reversal of 34647930 is 3974643.
34647930 is a `hidden beast` number, since 3 + 4 + 647 + 9 + 3 + 0 = 666.
34647930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (34647931) 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 23 ways as a sum of consecutive naturals, for example, 135 + ... + 8325.
It is an arithmetic number, because the mean of its divisors is an integer number (1916928).
Almost surely, 234647930 is an apocalyptic number.
34647930 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 34647930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46006272).
34647930 is an abundant number, since it is smaller than the sum of its proper divisors (57364614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34647930 is a wasteful number, since it uses less digits than its factorization.
34647930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8251 (or 8248 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
The square root of 34647930 is about 5886.2492301974. The cubic root of 34647930 is about 326.0061285811.
The spelling of 34647930 in words is "thirty-four million, six hundred forty-seven thousand, nine hundred thirty".
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