Base | Representation |
---|---|
bin | 1000001000110… |
… | …00101011110000 |
3 | 11202102220010020 |
4 | 10010120223300 |
5 | 114433233134 |
6 | 10435003440 |
7 | 1456121334 |
oct | 404305360 |
9 | 152386106 |
10 | 68258544 |
11 | 35591722 |
12 | 1aa39580 |
13 | 111abc93 |
14 | 90cb7c4 |
15 | 5ed4b49 |
hex | 4118af0 |
68258544 has 40 divisors (see below), whose sum is σ = 180440832. Its totient is φ = 22223040.
The previous prime is 68258543. The next prime is 68258557. The reversal of 68258544 is 44585286.
It is a junction number, because it is equal to n+sod(n) for n = 68258496 and 68258505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68258543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14472 + ... + 18599.
Almost surely, 268258544 is an apocalyptic number.
It is an amenable number.
68258544 is an abundant number, since it is smaller than the sum of its proper divisors (112182288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68258544 is a wasteful number, since it uses less digits than its factorization.
68258544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33125 (or 33119 counting only the distinct ones).
The product of its digits is 307200, while the sum is 42.
The square root of 68258544 is about 8261.8729111504. The cubic root of 68258544 is about 408.6821537272.
The spelling of 68258544 in words is "sixty-eight million, two hundred fifty-eight thousand, five hundred forty-four".
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