Base | Representation |
---|---|
bin | 1000111100101… |
… | …11010110010001 |
3 | 12020020220001120 |
4 | 10132113112101 |
5 | 123204200232 |
6 | 11240552453 |
7 | 1601034345 |
oct | 436272621 |
9 | 166226046 |
10 | 75068817 |
11 | 3941334a |
12 | 21182729 |
13 | 12724a25 |
14 | 9d81625 |
15 | 68cc92c |
hex | 4797591 |
75068817 has 4 divisors (see below), whose sum is σ = 100091760. Its totient is φ = 50045876.
The previous prime is 75068809. The next prime is 75068837. The reversal of 75068817 is 71886057.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 75068817 - 23 = 75068809 is a prime.
It is not an unprimeable number, because it can be changed into a prime (75068837) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12511467 + ... + 12511472.
It is an arithmetic number, because the mean of its divisors is an integer number (25022940).
Almost surely, 275068817 is an apocalyptic number.
It is an amenable number.
75068817 is a deficient number, since it is larger than the sum of its proper divisors (25022943).
75068817 is a wasteful number, since it uses less digits than its factorization.
75068817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25022942.
The product of its (nonzero) digits is 94080, while the sum is 42.
The square root of 75068817 is about 8664.2262782086. The cubic root of 75068817 is about 421.8452765670.
The spelling of 75068817 in words is "seventy-five million, sixty-eight thousand, eight hundred seventeen".
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