Base | Representation |
---|---|
bin | 1000001011100… |
… | …10101111100110 |
3 | 11210010122010200 |
4 | 10011302233212 |
5 | 120032034210 |
6 | 10450531330 |
7 | 1462215654 |
oct | 405625746 |
9 | 153118120 |
10 | 68627430 |
11 | 35813893 |
12 | 1ab96b46 |
13 | 112aab61 |
14 | 9185dd4 |
15 | 60590c0 |
hex | 4172be6 |
68627430 has 96 divisors (see below), whose sum is σ = 190944000. Its totient is φ = 17050176.
The previous prime is 68627389. The next prime is 68627431. The reversal of 68627430 is 3472686.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68627431) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114271 + ... + 114869.
It is an arithmetic number, because the mean of its divisors is an integer number (1989000).
Almost surely, 268627430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68627430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95472000).
68627430 is an abundant number, since it is smaller than the sum of its proper divisors (122316570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68627430 is a wasteful number, since it uses less digits than its factorization.
68627430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698 (or 695 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 68627430 is about 8284.1674295007. The cubic root of 68627430 is about 409.4170378523.
The spelling of 68627430 in words is "sixty-eight million, six hundred twenty-seven thousand, four hundred thirty".
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