Base | Representation |
---|---|
bin | 1000001010011… |
… | …01010011100100 |
3 | 11202211211210012 |
4 | 10011031103210 |
5 | 120012132314 |
6 | 10443345352 |
7 | 1461006620 |
oct | 405152344 |
9 | 152754705 |
10 | 68474084 |
11 | 35719658 |
12 | 1ab22258 |
13 | 11256113 |
14 | 9146180 |
15 | 602893e |
hex | 414d4e4 |
68474084 has 24 divisors (see below), whose sum is σ = 137668608. Its totient is φ = 29191680.
The previous prime is 68474083. The next prime is 68474099. The reversal of 68474084 is 48047486.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (68474083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932 + ... + 11739.
It is an arithmetic number, because the mean of its divisors is an integer number (5736192).
Almost surely, 268474084 is an apocalyptic number.
It is an amenable number.
68474084 is an abundant number, since it is smaller than the sum of its proper divisors (69194524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68474084 is a wasteful number, since it uses less digits than its factorization.
68474084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12875 (or 12873 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 41.
The square root of 68474084 is about 8274.9068876937. The cubic root of 68474084 is about 409.1118669458. Note that the first 3 decimals are identical.
The spelling of 68474084 in words is "sixty-eight million, four hundred seventy-four thousand, eighty-four".
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