Base | Representation |
---|---|
bin | 1000111101001… |
… | …11100000000100 |
3 | 12020101020211001 |
4 | 10132213200010 |
5 | 123213304410 |
6 | 11242223044 |
7 | 1601431264 |
oct | 436474004 |
9 | 166336731 |
10 | 75134980 |
11 | 39459028 |
12 | 211b4a84 |
13 | 12748b8b |
14 | 9d9b7a4 |
15 | 68e233a |
hex | 47a7804 |
75134980 has 24 divisors (see below), whose sum is σ = 157989888. Its totient is φ = 30014688.
The previous prime is 75134963. The next prime is 75134989. The reversal of 75134980 is 8943157.
It is not an unprimeable number, because it can be changed into a prime (75134989) 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, 16957 + ... + 20923.
It is an arithmetic number, because the mean of its divisors is an integer number (6582912).
Almost surely, 275134980 is an apocalyptic number.
It is an amenable number.
75134980 is an abundant number, since it is smaller than the sum of its proper divisors (82854908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75134980 is a wasteful number, since it uses less digits than its factorization.
75134980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4923 (or 4921 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 75134980 is about 8668.0436085659. The cubic root of 75134980 is about 421.9691733432.
The spelling of 75134980 in words is "seventy-five million, one hundred thirty-four thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •