Base | Representation |
---|---|
bin | 1001000011011… |
… | …00010000011011 |
3 | 12021220012022121 |
4 | 10201230100123 |
5 | 123420102031 |
6 | 11311402111 |
7 | 1611326005 |
oct | 441542033 |
9 | 167805277 |
10 | 75940891 |
11 | 39959574 |
12 | 21523337 |
13 | 1296b950 |
14 | a12b375 |
15 | 6a01011 |
hex | 486c41b |
75940891 has 16 divisors (see below), whose sum is σ = 87726240. Its totient is φ = 65145600.
The previous prime is 75940889. The next prime is 75940901. The reversal of 75940891 is 19804957.
It is not a de Polignac number, because 75940891 - 21 = 75940889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75940801) 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 15 ways as a sum of consecutive naturals, for example, 10191 + ... + 15991.
It is an arithmetic number, because the mean of its divisors is an integer number (5482890).
Almost surely, 275940891 is an apocalyptic number.
75940891 is a deficient number, since it is larger than the sum of its proper divisors (11785349).
75940891 is a wasteful number, since it uses less digits than its factorization.
75940891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5886.
The product of its (nonzero) digits is 90720, while the sum is 43.
The square root of 75940891 is about 8714.4070940024. The cubic root of 75940891 is about 423.4725162176.
The spelling of 75940891 in words is "seventy-five million, nine hundred forty thousand, eight hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •