Base | Representation |
---|---|
bin | 1000001001010… |
… | …11110011011000 |
3 | 11202120212112200 |
4 | 10010223303120 |
5 | 114443234411 |
6 | 10440410200 |
7 | 1456565550 |
oct | 404536330 |
9 | 152525480 |
10 | 68336856 |
11 | 35635545 |
12 | 1aa76960 |
13 | 11208813 |
14 | 910c160 |
15 | 5eece56 |
hex | 412bcd8 |
68336856 has 48 divisors (see below), whose sum is σ = 211520400. Its totient is φ = 19524672.
The previous prime is 68336839. The next prime is 68336867. The reversal of 68336856 is 65863386.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67291 + ... + 68298.
It is an arithmetic number, because the mean of its divisors is an integer number (4406675).
Almost surely, 268336856 is an apocalyptic number.
It is an amenable number.
68336856 is an abundant number, since it is smaller than the sum of its proper divisors (143183544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68336856 is a wasteful number, since it uses less digits than its factorization.
68336856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135608 (or 135601 counting only the distinct ones).
The product of its digits is 622080, while the sum is 45.
The square root of 68336856 is about 8266.6109137905. The cubic root of 68336856 is about 408.8383856225.
It can be divided in two parts, 6833 and 6856, that added together give a square (13689 = 1172).
The spelling of 68336856 in words is "sixty-eight million, three hundred thirty-six thousand, eight hundred fifty-six".
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