Base | Representation |
---|---|
bin | 1001000010110… |
… | …10011111101101 |
3 | 12021202111112011 |
4 | 10201122133231 |
5 | 123410240031 |
6 | 11310041221 |
7 | 1610603626 |
oct | 441323755 |
9 | 167674464 |
10 | 75868141 |
11 | 39909948 |
12 | 214a9211 |
13 | 129447bb |
14 | a10ca4d |
15 | 69d96b1 |
hex | 485a7ed |
75868141 has 4 divisors (see below), whose sum is σ = 76287484. Its totient is φ = 75448800.
The previous prime is 75868123. The next prime is 75868151. The reversal of 75868141 is 14186857.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 35354916 + 40513225 = 5946^2 + 6365^2 .
It is a cyclic number.
It is not a de Polignac number, because 75868141 - 25 = 75868109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 75868094 and 75868103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75868151) 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, 209400 + ... + 209761.
It is an arithmetic number, because the mean of its divisors is an integer number (19071871).
Almost surely, 275868141 is an apocalyptic number.
It is an amenable number.
75868141 is a deficient number, since it is larger than the sum of its proper divisors (419343).
75868141 is a wasteful number, since it uses less digits than its factorization.
75868141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 419342.
The product of its digits is 53760, while the sum is 40.
The square root of 75868141 is about 8710.2319716526. The cubic root of 75868141 is about 423.3372466761.
The spelling of 75868141 in words is "seventy-five million, eight hundred sixty-eight thousand, one hundred forty-one".
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