Base | Representation |
---|---|
bin | 1000001000101… |
… | …00110111011110 |
3 | 11202102002200012 |
4 | 10010110313132 |
5 | 114432233120 |
6 | 10434403222 |
7 | 1456024631 |
oct | 404246736 |
9 | 152362605 |
10 | 68242910 |
11 | 355809aa |
12 | 1aa30512 |
13 | 111a4b28 |
14 | 90c5c18 |
15 | 5ed01c5 |
hex | 4114dde |
68242910 has 16 divisors (see below), whose sum is σ = 122996016. Its totient is φ = 27261888.
The previous prime is 68242907. The next prime is 68242931. The reversal of 68242910 is 1924286.
It is a congruent number.
It is an unprimeable number.
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, 4589 + ... + 12551.
It is an arithmetic number, because the mean of its divisors is an integer number (7687251).
Almost surely, 268242910 is an apocalyptic number.
68242910 is a deficient number, since it is larger than the sum of its proper divisors (54753106).
68242910 is a wasteful number, since it uses less digits than its factorization.
68242910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8827.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 68242910 is about 8260.9267034637. The cubic root of 68242910 is about 408.6509496986.
The spelling of 68242910 in words is "sixty-eight million, two hundred forty-two thousand, nine hundred ten".
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