Base | Representation |
---|---|
bin | 1000001110010… |
… | …10011010001110 |
3 | 11210210212200221 |
4 | 10013022122032 |
5 | 120130032020 |
6 | 10502341554 |
7 | 1465242565 |
oct | 407123216 |
9 | 153725627 |
10 | 68986510 |
11 | 35a3964a |
12 | 1b12a8ba |
13 | 113a5428 |
14 | 923abdc |
15 | 60ca6aa |
hex | 41ca68e |
68986510 has 32 divisors (see below), whose sum is σ = 132075360. Its totient is φ = 25853952.
The previous prime is 68986469. The next prime is 68986523. The reversal of 68986510 is 1568986.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42901 + ... + 44479.
It is an arithmetic number, because the mean of its divisors is an integer number (4127355).
Almost surely, 268986510 is an apocalyptic number.
68986510 is a deficient number, since it is larger than the sum of its proper divisors (63088850).
68986510 is a wasteful number, since it uses less digits than its factorization.
68986510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1860.
The product of its (nonzero) digits is 103680, while the sum is 43.
The square root of 68986510 is about 8305.8118206470. The cubic root of 68986510 is about 410.1298616994.
It can be divided in two parts, 68986 and 510, that added together give a palindrome (69496).
The spelling of 68986510 in words is "sixty-eight million, nine hundred eighty-six thousand, five hundred ten".
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