Base | Representation |
---|---|
bin | 1000001000101… |
… | …00101010000000 |
3 | 11202102001111021 |
4 | 10010110222000 |
5 | 114432221143 |
6 | 10434355224 |
7 | 1456022260 |
oct | 404245200 |
9 | 152361437 |
10 | 68242048 |
11 | 35580296 |
12 | 1aa2bb14 |
13 | 111a4614 |
14 | 90c57a0 |
15 | 5ececed |
hex | 4114a80 |
68242048 has 32 divisors (see below), whose sum is σ = 155374560. Its totient is φ = 29246208.
The previous prime is 68242043. The next prime is 68242049. The reversal of 68242048 is 84024286.
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (68242043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37186 + ... + 38977.
It is an arithmetic number, because the mean of its divisors is an integer number (4855455).
Almost surely, 268242048 is an apocalyptic number.
It is an amenable number.
68242048 is an abundant number, since it is smaller than the sum of its proper divisors (87132512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68242048 is an equidigital number, since it uses as much as digits as its factorization.
68242048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76184 (or 76172 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 34.
The square root of 68242048 is about 8260.8745299756. The cubic root of 68242048 is about 408.6492290872.
The spelling of 68242048 in words is "sixty-eight million, two hundred forty-two thousand, forty-eight".
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