Base | Representation |
---|---|
bin | 1001010011010… |
… | …10000100011100 |
3 | 12102211021210002 |
4 | 10221222010130 |
5 | 124433412314 |
6 | 11424233432 |
7 | 1635144020 |
oct | 451520434 |
9 | 172737702 |
10 | 78029084 |
11 | 40055451 |
12 | 2216b878 |
13 | 13220273 |
14 | a512380 |
15 | 6cb4ade |
hex | 4a6a11c |
78029084 has 12 divisors (see below), whose sum is σ = 156058224. Its totient is φ = 33441024.
The previous prime is 78029069. The next prime is 78029089. The reversal of 78029084 is 48092087.
78029084 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78029089) 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 3 ways as a sum of consecutive naturals, for example, 1393349 + ... + 1393404.
It is an arithmetic number, because the mean of its divisors is an integer number (13004852).
Almost surely, 278029084 is an apocalyptic number.
It is an amenable number.
78029084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78029084 is a wasteful number, since it uses less digits than its factorization.
78029084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2786764 (or 2786762 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 78029084 is about 8833.4072701308. The cubic root of 78029084 is about 427.3189667011.
The spelling of 78029084 in words is "seventy-eight million, twenty-nine thousand, eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •