Base | Representation |
---|---|
bin | 1000111011111… |
… | …00111111110000 |
3 | 12020001101222220 |
4 | 10131330333300 |
5 | 123142222010 |
6 | 11234401040 |
7 | 1600104561 |
oct | 435747760 |
9 | 166041886 |
10 | 74960880 |
11 | 3934a245 |
12 | 21130180 |
13 | 126b7867 |
14 | 9d54168 |
15 | 68aa970 |
hex | 477cff0 |
74960880 has 80 divisors (see below), whose sum is σ = 233211264. Its totient is φ = 19918080.
The previous prime is 74960863. The next prime is 74960891. The reversal of 74960880 is 8806947.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130995 + ... + 131565.
Almost surely, 274960880 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 74960880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116605632).
74960880 is an abundant number, since it is smaller than the sum of its proper divisors (158250384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74960880 is a wasteful number, since it uses less digits than its factorization.
74960880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1134 (or 1128 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 74960880 is about 8657.9951489938. The cubic root of 74960880 is about 421.6429974858.
The spelling of 74960880 in words is "seventy-four million, nine hundred sixty thousand, eight hundred eighty".
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