Base | Representation |
---|---|
bin | 1000000111011… |
… | …11011010100000 |
3 | 11202010022020111 |
4 | 10003233122200 |
5 | 114412331004 |
6 | 10431221104 |
7 | 1454515450 |
oct | 403573240 |
9 | 152108214 |
10 | 68089504 |
11 | 3548671a |
12 | 1a977794 |
13 | 11150062 |
14 | 9085d60 |
15 | 5e9ea04 |
hex | 40ef6a0 |
68089504 has 48 divisors (see below), whose sum is σ = 154078848. Its totient is φ = 29014272.
The previous prime is 68089493. The next prime is 68089519. The reversal of 68089504 is 40598086.
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, 43357 + ... + 44899.
It is an arithmetic number, because the mean of its divisors is an integer number (3209976).
Almost surely, 268089504 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68089504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77039424).
68089504 is an abundant number, since it is smaller than the sum of its proper divisors (85989344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68089504 is a wasteful number, since it uses less digits than its factorization.
68089504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1757 (or 1749 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 68089504 is about 8251.6364437607. The cubic root of 68089504 is about 408.3445122952.
The spelling of 68089504 in words is "sixty-eight million, eighty-nine thousand, five hundred four".
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