Base | Representation |
---|---|
bin | 1001000001101… |
… | …00110101100011 |
3 | 12021110122221012 |
4 | 10200310311203 |
5 | 123340321031 |
6 | 11302451135 |
7 | 1606362131 |
oct | 440646543 |
9 | 167418835 |
10 | 75713891 |
11 | 39813a70 |
12 | 21433aab |
13 | 128bc526 |
14 | a0ac751 |
15 | 69a8b2b |
hex | 4834d63 |
75713891 has 8 divisors (see below), whose sum is σ = 82790400. Its totient is φ = 68669640.
The previous prime is 75713887. The next prime is 75713909. The reversal of 75713891 is 19831757.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75713891 - 22 = 75713887 is a prime.
It is not an unprimeable number, because it can be changed into a prime (75713821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011 + ... + 12668.
It is an arithmetic number, because the mean of its divisors is an integer number (10348800).
Almost surely, 275713891 is an apocalyptic number.
75713891 is a deficient number, since it is larger than the sum of its proper divisors (7076509).
75713891 is a wasteful number, since it uses less digits than its factorization.
75713891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16129.
The product of its digits is 52920, while the sum is 41.
The square root of 75713891 is about 8701.3729376461. The cubic root of 75713891 is about 423.0501517512.
The spelling of 75713891 in words is "seventy-five million, seven hundred thirteen thousand, eight hundred ninety-one".
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