Base | Representation |
---|---|
bin | 1000111010101… |
… | …11001000001000 |
3 | 12012202112020000 |
4 | 10131113020020 |
5 | 123122241033 |
6 | 11231203000 |
7 | 1565560422 |
oct | 435271010 |
9 | 165675200 |
10 | 74805768 |
11 | 39253754 |
12 | 21076460 |
13 | 1266208b |
14 | 9d13812 |
15 | 6879a13 |
hex | 4757208 |
74805768 has 80 divisors (see below), whose sum is σ = 212776080. Its totient is φ = 24548832.
The previous prime is 74805743. The next prime is 74805779. The reversal of 74805768 is 86750847.
74805768 is a `hidden beast` number, since 74 + 8 + 0 + 576 + 8 = 666.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 42555 + ... + 44277.
It is an arithmetic number, because the mean of its divisors is an integer number (2659701).
Almost surely, 274805768 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 74805768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106388040).
74805768 is an abundant number, since it is smaller than the sum of its proper divisors (137970312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74805768 is a wasteful number, since it uses less digits than its factorization.
74805768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1808 (or 1795 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 74805768 is about 8649.0327782938. The cubic root of 74805768 is about 421.3519699024.
The spelling of 74805768 in words is "seventy-four million, eight hundred five thousand, seven hundred sixty-eight".
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