Base | Representation |
---|---|
bin | 1000001000110… |
… | …10101101100010 |
3 | 11202110022111212 |
4 | 10010122231202 |
5 | 114434014400 |
6 | 10435110122 |
7 | 1456154501 |
oct | 404325542 |
9 | 152408455 |
10 | 68266850 |
11 | 35597993 |
12 | 1aa42342 |
13 | 111b29b2 |
14 | 90d0838 |
15 | 5ed7335 |
hex | 411ab62 |
68266850 has 24 divisors (see below), whose sum is σ = 130411668. Its totient is φ = 26568000.
The previous prime is 68266837. The next prime is 68266853. The reversal of 68266850 is 5866286.
It can be written as a sum of positive squares in 6 ways, for example, as 18550249 + 49716601 = 4307^2 + 7051^2 .
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 68266798 and 68266807.
It is not an unprimeable number, because it can be changed into a prime (68266853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16601 + ... + 20300.
Almost surely, 268266850 is an apocalyptic number.
68266850 is a deficient number, since it is larger than the sum of its proper divisors (62144818).
68266850 is a wasteful number, since it uses less digits than its factorization.
68266850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36950 (or 36945 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 41.
The square root of 68266850 is about 8262.3755663853. The cubic root of 68266850 is about 408.6987298024.
The spelling of 68266850 in words is "sixty-eight million, two hundred sixty-six thousand, eight hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •