Base | Representation |
---|---|
bin | 1000001010110… |
… | …11101101011110 |
3 | 11202221211201110 |
4 | 10011123231132 |
5 | 120021024321 |
6 | 10444522450 |
7 | 1461343626 |
oct | 405335536 |
9 | 152854643 |
10 | 68533086 |
11 | 35759a16 |
12 | 1ab50426 |
13 | 11276c2b |
14 | 915d886 |
15 | 603b176 |
hex | 415bb5e |
68533086 has 16 divisors (see below), whose sum is σ = 145129104. Its totient is φ = 21500544.
The previous prime is 68533079. The next prime is 68533109. The reversal of 68533086 is 68033586.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335845 + ... + 336048.
It is an arithmetic number, because the mean of its divisors is an integer number (9070569).
Almost surely, 268533086 is an apocalyptic number.
68533086 is an abundant number, since it is smaller than the sum of its proper divisors (76596018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68533086 is a wasteful number, since it uses less digits than its factorization.
68533086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 671915.
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 68533086 is about 8278.4712356811. The cubic root of 68533086 is about 409.2293395581.
Subtracting from 68533086 its reverse (68033586), we obtain a triangular number (499500 = T999).
The spelling of 68533086 in words is "sixty-eight million, five hundred thirty-three thousand, eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •