Base | Representation |
---|---|
bin | 1000001000101… |
… | …01011011110110 |
3 | 11202102012212102 |
4 | 10010111123312 |
5 | 114432321423 |
6 | 10434422102 |
7 | 1456034465 |
oct | 404253366 |
9 | 152365772 |
10 | 68245238 |
11 | 35582726 |
12 | 1aa31932 |
13 | 111a5bc9 |
14 | 90c69dc |
15 | 5ed0c28 |
hex | 41156f6 |
68245238 has 24 divisors (see below), whose sum is σ = 107184384. Its totient is φ = 32576960.
The previous prime is 68245237. The next prime is 68245253. The reversal of 68245238 is 83254286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68245237) 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 11 ways as a sum of consecutive naturals, for example, 177995 + ... + 178377.
It is an arithmetic number, because the mean of its divisors is an integer number (4466016).
Almost surely, 268245238 is an apocalyptic number.
68245238 is a deficient number, since it is larger than the sum of its proper divisors (38939146).
68245238 is a wasteful number, since it uses less digits than its factorization.
68245238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520 (or 479 counting only the distinct ones).
The product of its digits is 92160, while the sum is 38.
The square root of 68245238 is about 8261.0676065506. The cubic root of 68245238 is about 408.6555964749.
The spelling of 68245238 in words is "sixty-eight million, two hundred forty-five thousand, two hundred thirty-eight".
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