Base | Representation |
---|---|
bin | 1000001100100… |
… | …11010111111110 |
3 | 11210101102110220 |
4 | 10012103113332 |
5 | 120100323321 |
6 | 10453442210 |
7 | 1463313432 |
oct | 406232776 |
9 | 153342426 |
10 | 68761086 |
11 | 358a5249 |
12 | 1b040366 |
13 | 11326944 |
14 | 91bc9c2 |
15 | 60839c6 |
hex | 41935fe |
68761086 has 16 divisors (see below), whose sum is σ = 139459968. Its totient is φ = 22597400.
The previous prime is 68761079. The next prime is 68761097. The reversal of 68761086 is 68016786.
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, 80280 + ... + 81131.
It is an arithmetic number, because the mean of its divisors is an integer number (8716248).
Almost surely, 268761086 is an apocalyptic number.
68761086 is an abundant number, since it is smaller than the sum of its proper divisors (70698882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68761086 is a wasteful number, since it uses less digits than its factorization.
68761086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161487.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 68761086 is about 8292.2304598944. The cubic root of 68761086 is about 409.6826535002.
The spelling of 68761086 in words is "sixty-eight million, seven hundred sixty-one thousand, eighty-six".
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